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/entrypoints/quick/quick_thread_entrypoints.cc b/runtime/entrypoints/quick/quick_thread_entrypoints.cc
index b4d6c0b..53e725e 100644
--- a/runtime/entrypoints/quick/quick_thread_entrypoints.cc
+++ b/runtime/entrypoints/quick/quick_thread_entrypoints.cc
@@ -28,7 +28,7 @@
   CheckSuspend(thread);
 }
 
-extern "C" void artTestSuspendFromCode(Thread* thread, mirror::AbstractMethod** sp)
+extern "C" void artTestSuspendFromCode(Thread* thread, mirror::ArtMethod** sp)
     SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
   // Called when suspend count check value is 0 and thread->suspend_count_ != 0
   FinishCalleeSaveFrameSetup(thread, sp, Runtime::kRefsOnly);