Change method verifiers to be thread local roots

Bug: 10921004

Change-Id: I3a1425d76cd380587ba67ef6d5ec1227564e55bf
diff --git a/runtime/base/mutex.h b/runtime/base/mutex.h
index f9e1e62..6e7b04f 100644
--- a/runtime/base/mutex.h
+++ b/runtime/base/mutex.h
@@ -588,11 +588,9 @@
   // Guards lists of classes within the class linker.
   static ReaderWriterMutex* classlinker_classes_lock_ ACQUIRED_AFTER(breakpoint_lock_);
 
-  static Mutex* method_verifiers_lock_ ACQUIRED_AFTER(classlinker_classes_lock_);
-
   // When declaring any Mutex add DEFAULT_MUTEX_ACQUIRED_AFTER to use annotalysis to check the code
   // doesn't try to hold a higher level Mutex.
-  #define DEFAULT_MUTEX_ACQUIRED_AFTER ACQUIRED_AFTER(Locks::method_verifiers_lock_)
+  #define DEFAULT_MUTEX_ACQUIRED_AFTER ACQUIRED_AFTER(Locks::classlinker_classes_lock_)
 
   static Mutex* allocated_monitor_ids_lock_ ACQUIRED_AFTER(classlinker_classes_lock_);