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/utils.cc b/runtime/utils.cc
index 71e502d..87cd21c 100644
--- a/runtime/utils.cc
+++ b/runtime/utils.cc
@@ -25,11 +25,10 @@
 #include "UniquePtr.h"
 #include "base/unix_file/fd_file.h"
 #include "dex_file-inl.h"
-#include "mirror/abstract_method-inl.h"
+#include "mirror/art_field-inl.h"
+#include "mirror/art_method-inl.h"
 #include "mirror/class-inl.h"
 #include "mirror/class_loader.h"
-#include "mirror/field.h"
-#include "mirror/field-inl.h"
 #include "mirror/object-inl.h"
 #include "mirror/object_array-inl.h"
 #include "mirror/string.h"
@@ -295,7 +294,7 @@
   return PrettyDescriptor(descriptor_string);
 }
 
-std::string PrettyField(const mirror::Field* f, bool with_type) {
+std::string PrettyField(const mirror::ArtField* f, bool with_type) {
   if (f == NULL) {
     return "null";
   }
@@ -370,7 +369,7 @@
   return PrettyDescriptor(return_type);
 }
 
-std::string PrettyMethod(const mirror::AbstractMethod* m, bool with_signature) {
+std::string PrettyMethod(const mirror::ArtMethod* m, bool with_signature) {
   if (m == NULL) {
     return "null";
   }
@@ -629,7 +628,7 @@
   return descriptor;
 }
 
-std::string JniShortName(const mirror::AbstractMethod* m) {
+std::string JniShortName(const mirror::ArtMethod* m) {
   MethodHelper mh(m);
   std::string class_name(mh.GetDeclaringClassDescriptor());
   // Remove the leading 'L' and trailing ';'...
@@ -648,7 +647,7 @@
   return short_name;
 }
 
-std::string JniLongName(const mirror::AbstractMethod* m) {
+std::string JniLongName(const mirror::ArtMethod* m) {
   std::string long_name;
   long_name += JniShortName(m);
   long_name += "__";