Move mirror::ArtMethod to native

Optimizing + quick tests are passing, devices boot.

TODO: Test and fix bugs in mips64.

Saves 16 bytes per most ArtMethod, 7.5MB reduction in system PSS.
Some of the savings are from removal of virtual methods and direct
methods object arrays.

Bug: 19264997
Change-Id: I622469a0cfa0e7082a2119f3d6a9491eb61e3f3d
diff --git a/runtime/arch/mips/context_mips.cc b/runtime/arch/mips/context_mips.cc
index 24892e9..53f2b65 100644
--- a/runtime/arch/mips/context_mips.cc
+++ b/runtime/arch/mips/context_mips.cc
@@ -16,8 +16,8 @@
 
 #include "context_mips.h"
 
+#include "art_method-inl.h"
 #include "base/bit_utils.h"
-#include "mirror/art_method-inl.h"
 #include "quick/quick_method_frame_info.h"
 
 namespace art {
@@ -36,7 +36,7 @@
 }
 
 void MipsContext::FillCalleeSaves(const StackVisitor& fr) {
-  mirror::ArtMethod* method = fr.GetMethod();
+  ArtMethod* method = fr.GetMethod();
   const QuickMethodFrameInfo frame_info = method->GetQuickFrameInfo();
   int spill_pos = 0;