fix(clang): switch to prebuilts 12.0.5 toolchain

Update prebuilts submodule hash and shared includes path.
Update third_party/googletest submodule hash to fix a build error with
clang12.
Fix make format after the switch to new clang version.
Change-Id: Ib0fae5c612c1e8e60a02b2d6e8b09d51f48f53d2
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
Signed-off-by: Daniel Boulby <daniel.boulby@arm.com>
diff --git a/build/toolchain/BUILD.gn b/build/toolchain/BUILD.gn
index 13843e4..beb1f95 100644
--- a/build/toolchain/BUILD.gn
+++ b/build/toolchain/BUILD.gn
@@ -20,14 +20,14 @@
   extra_cflags =
       "-nostdinc -isystem" +
       rebase_path("//prebuilts/linux-aarch64/musl/include") + " -isystem" +
-      rebase_path("//prebuilts/linux-x64/clang/lib64/clang/9.0.8/include") +
+      rebase_path("//prebuilts/linux-x64/clang/lib64/clang/12.0.5/include") +
       " -isystem" + rebase_path("//inc/system")
   extra_defines = "-D_LIBCPP_HAS_MUSL_LIBC=1 -D_GNU_SOURCE=1"
   extra_ldflags = "-no-pie -lc --library-path=" +
                   rebase_path("//prebuilts/linux-aarch64/musl/lib/") + " " +
                   rebase_path("//prebuilts/linux-aarch64/musl/lib/crt1.o") +
                   " " + rebase_path(
-                      "//prebuilts/linux-x64/clang/lib64/clang/9.0.8/lib/linux/libclang_rt.builtins-aarch64-android.a")
+                      "//prebuilts/linux-x64/clang/lib64/clang/12.0.5/lib/linux/libclang_rt.builtins-aarch64-android.a")
   toolchain_args = {
     use_platform = true
     plat_arch = "fake"
diff --git a/build/toolchain/embedded.gni b/build/toolchain/embedded.gni
index 3c3164e..f422efb 100644
--- a/build/toolchain/embedded.gni
+++ b/build/toolchain/embedded.gni
@@ -122,7 +122,7 @@
     # from the Android prebuilt Clang.
     extra_cflags +=
         " -target ${invoker.target} -fcolor-diagnostics -nostdinc -isystem" +
-        rebase_path("//prebuilts/linux-x64/clang/lib64/clang/9.0.8/include") +
+        rebase_path("//prebuilts/linux-x64/clang/lib64/clang/12.0.5/include") +
         " -isystem" + rebase_path("//inc/system")
     extra_ldflags += " -O2 --icf=all --fatal-warnings --color-diagnostics"
 
diff --git a/prebuilts b/prebuilts
index 07c3246..f4ef2d0 160000
--- a/prebuilts
+++ b/prebuilts
@@ -1 +1 @@
-Subproject commit 07c3246c6f9cf9e7faf344ed396d9c90fc2ca32e
+Subproject commit f4ef2d0d9dbf6f696386b786eb60884a933685b0
diff --git a/test/inc/test/hftest_impl.h b/test/inc/test/hftest_impl.h
index 86d0962..ff388e9 100644
--- a/test/inc/test/hftest_impl.h
+++ b/test/inc/test/hftest_impl.h
@@ -63,65 +63,65 @@
 	hftest_test_ctor_##suite_name##_##test_name
 
 /* Register test functions. */
-#define HFTEST_SET_UP(suite_name)                                           \
-	static void HFTEST_SET_UP_FN(suite_name)(void);                     \
-	const struct hftest_test __attribute__((used))                      \
-		__attribute__((section(HFTEST_SET_UP_SECTION(suite_name)))) \
-			HFTEST_SET_UP_STRUCT(suite_name) = {                \
-				.suite = #suite_name,                       \
-				.kind = HFTEST_KIND_SET_UP,                 \
-				.fn = HFTEST_SET_UP_FN(suite_name),         \
-	};                                                                  \
-	static void __attribute__((constructor))                            \
-		HFTEST_SET_UP_CONSTRUCTOR(suite_name)(void)                 \
-	{                                                                   \
-		hftest_register(HFTEST_SET_UP_STRUCT(suite_name));          \
-	}                                                                   \
+#define HFTEST_SET_UP(suite_name)                                   \
+	static void HFTEST_SET_UP_FN(suite_name)(void);             \
+	const struct hftest_test __attribute__((used))              \
+	__attribute__((section(HFTEST_SET_UP_SECTION(suite_name)))) \
+	HFTEST_SET_UP_STRUCT(suite_name) = {                        \
+		.suite = #suite_name,                               \
+		.kind = HFTEST_KIND_SET_UP,                         \
+		.fn = HFTEST_SET_UP_FN(suite_name),                 \
+	};                                                          \
+	static void __attribute__((constructor))                    \
+	HFTEST_SET_UP_CONSTRUCTOR(suite_name)(void)                 \
+	{                                                           \
+		hftest_register(HFTEST_SET_UP_STRUCT(suite_name));  \
+	}                                                           \
 	static void HFTEST_SET_UP_FN(suite_name)(void)
 
-#define HFTEST_TEAR_DOWN(suite_name)                                           \
-	static void HFTEST_TEAR_DOWN_FN(suite_name)(void);                     \
-	const struct hftest_test __attribute__((used))                         \
-		__attribute__((section(HFTEST_TEAR_DOWN_SECTION(suite_name)))) \
-			HFTEST_TEAR_DOWN_STRUCT(suite_name) = {                \
-				.suite = #suite_name,                          \
-				.kind = HFTEST_KIND_TEAR_DOWN,                 \
-				.fn = HFTEST_TEAR_DOWN_FN(suite_name),         \
-	};                                                                     \
-	static void __attribute__((constructor))                               \
-		HFTEST_TEAR_DOWN_CONSTRUCTOR(suite_name)(void)                 \
-	{                                                                      \
-		hftest_register(HFTEST_TEAR_DOWN_STRUCT(suite_name));          \
-	}                                                                      \
+#define HFTEST_TEAR_DOWN(suite_name)                                   \
+	static void HFTEST_TEAR_DOWN_FN(suite_name)(void);             \
+	const struct hftest_test __attribute__((used))                 \
+	__attribute__((section(HFTEST_TEAR_DOWN_SECTION(suite_name)))) \
+	HFTEST_TEAR_DOWN_STRUCT(suite_name) = {                        \
+		.suite = #suite_name,                                  \
+		.kind = HFTEST_KIND_TEAR_DOWN,                         \
+		.fn = HFTEST_TEAR_DOWN_FN(suite_name),                 \
+	};                                                             \
+	static void __attribute__((constructor))                       \
+	HFTEST_TEAR_DOWN_CONSTRUCTOR(suite_name)(void)                 \
+	{                                                              \
+		hftest_register(HFTEST_TEAR_DOWN_STRUCT(suite_name));  \
+	}                                                              \
 	static void HFTEST_TEAR_DOWN_FN(suite_name)(void)
 
-#define HFTEST_TEST(suite_name, test_name, long_running)                    \
-	static void HFTEST_TEST_FN(suite_name, test_name)(void);            \
-	const struct hftest_test __attribute__((used)) __attribute__(       \
-		(section(HFTEST_TEST_SECTION(suite_name, test_name))))      \
-		HFTEST_TEST_STRUCT(suite_name, test_name) = {               \
-			.suite = #suite_name,                               \
-			.kind = HFTEST_KIND_TEST,                           \
-			.name = #test_name,                                 \
-			.is_long_running = long_running,                    \
-			.fn = HFTEST_TEST_FN(suite_name, test_name),        \
-	};                                                                  \
-	static void __attribute__((constructor))                            \
-		HFTEST_TEST_CONSTRUCTOR(suite_name, test_name)(void)        \
-	{                                                                   \
-		hftest_register(HFTEST_TEST_STRUCT(suite_name, test_name)); \
-	}                                                                   \
+#define HFTEST_TEST(suite_name, test_name, long_running)                     \
+	static void HFTEST_TEST_FN(suite_name, test_name)(void);             \
+	const struct hftest_test __attribute__((used))                       \
+	__attribute__((section(HFTEST_TEST_SECTION(suite_name, test_name)))) \
+	HFTEST_TEST_STRUCT(suite_name, test_name) = {                        \
+		.suite = #suite_name,                                        \
+		.kind = HFTEST_KIND_TEST,                                    \
+		.name = #test_name,                                          \
+		.is_long_running = long_running,                             \
+		.fn = HFTEST_TEST_FN(suite_name, test_name),                 \
+	};                                                                   \
+	static void __attribute__((constructor))                             \
+	HFTEST_TEST_CONSTRUCTOR(suite_name, test_name)(void)                 \
+	{                                                                    \
+		hftest_register(HFTEST_TEST_STRUCT(suite_name, test_name));  \
+	}                                                                    \
 	static void HFTEST_TEST_FN(suite_name, test_name)(void)
 
-#define HFTEST_TEST_SERVICE(service_name)                                      \
-	static void HFTEST_SERVICE_FN(service_name)(void);                     \
-	const struct hftest_test __attribute__((used))                         \
-		__attribute__((section(HFTEST_SERVICE_SECTION(service_name)))) \
-			HFTEST_SERVICE_STRUCT(service_name) = {                \
-				.kind = HFTEST_KIND_SERVICE,                   \
-				.name = #service_name,                         \
-				.fn = HFTEST_SERVICE_FN(service_name),         \
-	};                                                                     \
+#define HFTEST_TEST_SERVICE(service_name)                              \
+	static void HFTEST_SERVICE_FN(service_name)(void);             \
+	const struct hftest_test __attribute__((used))                 \
+	__attribute__((section(HFTEST_SERVICE_SECTION(service_name)))) \
+	HFTEST_SERVICE_STRUCT(service_name) = {                        \
+		.kind = HFTEST_KIND_SERVICE,                           \
+		.name = #service_name,                                 \
+		.fn = HFTEST_SERVICE_FN(service_name),                 \
+	};                                                             \
 	static void HFTEST_SERVICE_FN(service_name)(void)
 
 /* Context for tests. */
diff --git a/third_party/googletest b/third_party/googletest
index a406491..78d0519 160000
--- a/third_party/googletest
+++ b/third_party/googletest
@@ -1 +1 @@
-Subproject commit a4064912394824063c26b1ed9bc7e8d836a7561e
+Subproject commit 78d0519f7b77d585974efcec49278ca7c767a5cb