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/mirror/throwable.cc b/runtime/mirror/throwable.cc
index 78b76dc..961f6de 100644
--- a/runtime/mirror/throwable.cc
+++ b/runtime/mirror/throwable.cc
@@ -16,7 +16,7 @@
 
 #include "throwable.h"
 
-#include "abstract_method-inl.h"
+#include "art_method-inl.h"
 #include "class-inl.h"
 #include "dex_file-inl.h"
 #include "gc/accounting/card_table-inl.h"
@@ -65,7 +65,7 @@
     IntArray* pc_trace = down_cast<IntArray*>(method_trace->Get(depth));
     MethodHelper mh;
     for (int32_t i = 0; i < depth; ++i) {
-      AbstractMethod* method = down_cast<AbstractMethod*>(method_trace->Get(i));
+      ArtMethod* method = down_cast<ArtMethod*>(method_trace->Get(i));
       mh.ChangeMethod(method);
       uint32_t dex_pc = pc_trace->Get(i);
       int32_t line_number = mh.GetLineNumFromDexPC(dex_pc);