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/runtime/proxy_test.cc b/runtime/proxy_test.cc
index f40c0f1..c33b126 100644
--- a/runtime/proxy_test.cc
+++ b/runtime/proxy_test.cc
@@ -34,7 +34,7 @@
   mirror::Class* GenerateProxyClass(ScopedObjectAccess& soa, jobject jclass_loader,
                                     const char* className,
                                     const std::vector<mirror::Class*>& interfaces)
-      SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+      SHARED_REQUIRES(Locks::mutator_lock_) {
     mirror::Class* javaLangObject = class_linker_->FindSystemClass(soa.Self(), "Ljava/lang/Object;");
     CHECK(javaLangObject != nullptr);