Refactor java.lang.reflect implementation

Cherry-picked from commit ed41d5c44299ec5d44b8514f6e17f802f48094d1.

Move to ArtMethod/Field instead of AbstractMethod/Field and have
java.lang.reflect APIs delegate to ArtMethod/ArtField.

Bug: 10014286.

Change-Id: Iafc1d8c5b62562c9af8fb9fd8c5e1d61270536e7
diff --git a/runtime/interpreter/interpreter.h b/runtime/interpreter/interpreter.h
index af4a147..49e8de0 100644
--- a/runtime/interpreter/interpreter.h
+++ b/runtime/interpreter/interpreter.h
@@ -22,7 +22,7 @@
 
 namespace art {
 namespace mirror {
-class AbstractMethod;
+class ArtMethod;
 class Object;
 }  // namespace mirror
 
@@ -33,8 +33,8 @@
 
 namespace interpreter {
 
-// Called by AbstractMethod::Invoke, shadow frames arguments are taken from the args array.
-extern void EnterInterpreterFromInvoke(Thread* self, mirror::AbstractMethod* method,
+// Called by ArtMethod::Invoke, shadow frames arguments are taken from the args array.
+extern void EnterInterpreterFromInvoke(Thread* self, mirror::ArtMethod* method,
                                        mirror::Object* receiver, uint32_t* args, JValue* result)
     SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);