message: obfuscate pass
  Summary: Final tweak for obfuscator and it should be ready to go: no longer need to treat volatiles as unrenameable.
diff: @@ -118,9 +118,8 @@ public:
  explicit FieldNameWrapper(DexField* elem) :
  DexFieldWrapper(elem) { }
  - // To address issue with AtomicReferenceFieldUpdater
  bool should_rename() override {
  - return !is_volatile(this->get());
  + return true;
  }
  };
  