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/Object/ArchiveWriter.h b/linux-x64/clang/include/llvm/Object/ArchiveWriter.h
index 9e6daf2..7eaf13e 100644
--- a/linux-x64/clang/include/llvm/Object/ArchiveWriter.h
+++ b/linux-x64/clang/include/llvm/Object/ArchiveWriter.h
@@ -13,10 +13,7 @@
 #ifndef LLVM_OBJECT_ARCHIVEWRITER_H
 #define LLVM_OBJECT_ARCHIVEWRITER_H
 
-#include "llvm/ADT/StringRef.h"
 #include "llvm/Object/Archive.h"
-#include "llvm/Support/Error.h"
-#include "llvm/Support/FileSystem.h"
 
 namespace llvm {
 
@@ -42,6 +39,12 @@
                    bool WriteSymtab, object::Archive::Kind Kind,
                    bool Deterministic, bool Thin,
                    std::unique_ptr<MemoryBuffer> OldArchiveBuf = nullptr);
+
+// writeArchiveToBuffer is similar to writeArchive but returns the Archive in a
+// buffer instead of writing it out to a file.
+Expected<std::unique_ptr<MemoryBuffer>>
+writeArchiveToBuffer(ArrayRef<NewArchiveMember> NewMembers, bool WriteSymtab,
+                     object::Archive::Kind Kind, bool Deterministic, bool Thin);
 }
 
 #endif