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/verifier/method_verifier.cc b/runtime/verifier/method_verifier.cc
index 8c950a0..d63b455 100644
--- a/runtime/verifier/method_verifier.cc
+++ b/runtime/verifier/method_verifier.cc
@@ -3590,7 +3590,7 @@
     ++pos_;
   }
 
-  const char* GetDescriptor() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
+  const char* GetDescriptor() SHARED_REQUIRES(Locks::mutator_lock_) {
     return res_method_->GetTypeDescriptorFromTypeIdx(params_->GetTypeItem(pos_).type_idx_);
   }