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/CodeGen/WasmEHFuncInfo.h b/linux-x64/clang/include/llvm/CodeGen/WasmEHFuncInfo.h
index 887a146..54e8c40 100644
--- a/linux-x64/clang/include/llvm/CodeGen/WasmEHFuncInfo.h
+++ b/linux-x64/clang/include/llvm/CodeGen/WasmEHFuncInfo.h
@@ -15,12 +15,16 @@
 
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/PointerUnion.h"
-#include "llvm/CodeGen/MachineBasicBlock.h"
-#include "llvm/IR/BasicBlock.h"
 
 namespace llvm {
 
+class BasicBlock;
+class Function;
+class MachineBasicBlock;
+
+namespace WebAssembly {
 enum EventTag { CPP_EXCEPTION = 0, C_LONGJMP = 1 };
+}
 
 using BBOrMBB = PointerUnion<const BasicBlock *, MachineBasicBlock *>;