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/gc/accounting/mod_union_table.cc b/runtime/gc/accounting/mod_union_table.cc
index 0363acb..3bbc381 100644
--- a/runtime/gc/accounting/mod_union_table.cc
+++ b/runtime/gc/accounting/mod_union_table.cc
@@ -22,9 +22,9 @@
 #include "gc/collector/mark_sweep-inl.h"
 #include "gc/heap.h"
 #include "gc/space/space.h"
+#include "mirror/art_field-inl.h"
 #include "mirror/object-inl.h"
 #include "mirror/class-inl.h"
-#include "mirror/field-inl.h"
 #include "mirror/object_array-inl.h"
 #include "space_bitmap-inl.h"
 #include "thread.h"