Update prebuilt Clang to r416183b from Android.

https://android.googlesource.com/platform/prebuilts/clang/host/
linux-x86/+/06a71ddac05c22edb2d10b590e1769b3f8619bef

clang 12.0.5 (based on r416183b) from build 7284624.

Change-Id: I277a316abcf47307562d8b748b84870f31a72866
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/linux-x64/clang/include/llvm/Support/BinaryStreamWriter.h b/linux-x64/clang/include/llvm/Support/BinaryStreamWriter.h
index 86d2389..ceba792 100644
--- a/linux-x64/clang/include/llvm/Support/BinaryStreamWriter.h
+++ b/linux-x64/clang/include/llvm/Support/BinaryStreamWriter.h
@@ -75,7 +75,7 @@
     static_assert(std::is_enum<T>::value,
                   "Cannot call writeEnum with non-Enum type");
 
-    using U = typename std::underlying_type<T>::type;
+    using U = std::underlying_type_t<T>;
     return writeInteger<U>(static_cast<U>(Num));
   }