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/DebugInfo/PDB/IPDBInjectedSource.h b/linux-x64/clang/include/llvm/DebugInfo/PDB/IPDBInjectedSource.h
index 56e85d1..6ee6c7c 100644
--- a/linux-x64/clang/include/llvm/DebugInfo/PDB/IPDBInjectedSource.h
+++ b/linux-x64/clang/include/llvm/DebugInfo/PDB/IPDBInjectedSource.h
@@ -9,16 +9,11 @@
 #ifndef LLVM_DEBUGINFO_PDB_IPDBINJECTEDSOURCE_H
 #define LLVM_DEBUGINFO_PDB_IPDBINJECTEDSOURCE_H
 
-#include "PDBTypes.h"
-#include "llvm/Support/raw_ostream.h"
-#include <memory>
+#include <cstdint>
 #include <string>
 
 namespace llvm {
-class raw_ostream;
-
 namespace pdb {
-
 /// IPDBInjectedSource defines an interface used to represent source files
 /// which were injected directly into the PDB file during the compilation
 /// process.  This is used, for example, to add natvis files to a PDB, but
@@ -32,7 +27,10 @@
   virtual std::string getFileName() const = 0;
   virtual std::string getObjectFileName() const = 0;
   virtual std::string getVirtualFileName() const = 0;
-  virtual PDB_SourceCompression getCompression() const = 0;
+  // The returned value depends on the PDB producer,
+  // but 0 is guaranteed to mean "no compression".
+  // The enum PDB_SourceCompression lists known return values.
+  virtual uint32_t getCompression() const = 0;
   virtual std::string getCode() const = 0;
 };
 } // namespace pdb