Move to newer clang annotations

Also enable -Wthread-safety-negative.

Changes:
Switch to capabilities and negative capabilities.

Future work:
Use capabilities to implement uninterruptible annotations to work
with AssertNoThreadSuspension.

Bug: 20072211

Change-Id: I42fcbe0300d98a831c89d1eff3ecd5a7e99ebf33
diff --git a/compiler/dex/quick/quick_compiler.h b/compiler/dex/quick/quick_compiler.h
index 43dd578..4a39ab3 100644
--- a/compiler/dex/quick/quick_compiler.h
+++ b/compiler/dex/quick/quick_compiler.h
@@ -50,7 +50,7 @@
                              const DexFile& dex_file) const OVERRIDE;
 
   uintptr_t GetEntryPointOf(ArtMethod* method) const OVERRIDE
-      SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
+      SHARED_REQUIRES(Locks::mutator_lock_);
 
   static Mir2Lir* GetCodeGenerator(CompilationUnit* cu, void* compilation_unit);