Move interpreter to ObjPtr

Moved most of interpreter, interpreter_common,
interpreter_switch_impl, and some of mterp to ObjPtr.

Bug: 31113334

Test: test-art-host ART_TEST_INTERPRETER=true
Test: art/tools/run-libcore-tests.sh '--mode=host' '--variant=X32' --debug

Change-Id: I0935d18287e1332205c17c5a018aa167788ab897
diff --git a/runtime/mirror/object-inl.h b/runtime/mirror/object-inl.h
index 2e70c9b..3bf9d94 100644
--- a/runtime/mirror/object-inl.h
+++ b/runtime/mirror/object-inl.h
@@ -275,7 +275,7 @@
 }
 
 template<VerifyObjectFlags kVerifyFlags>
-inline bool Object::VerifierInstanceOf(Class* klass) {
+inline bool Object::VerifierInstanceOf(ObjPtr<Class> klass) {
   DCHECK(klass != nullptr);
   DCHECK(GetClass<kVerifyFlags>() != nullptr);
   return klass->IsInterface() || InstanceOf(klass);