Move mapping table and vmap table offsets to OatMethodHeader.

This change has a libcore/ companion CL
  "Remove ArtMethod's quick fields mapping table and vmap table."
  https://android-review.googlesource.com/91254

Bug: 11767815
Change-Id: I46ce2067e1ecd915da3890606498e31ffc332813
diff --git a/runtime/class_linker.h b/runtime/class_linker.h
index a14d1d1..9771318 100644
--- a/runtime/class_linker.h
+++ b/runtime/class_linker.h
@@ -369,6 +369,10 @@
     return quick_imt_conflict_trampoline_;
   }
 
+  const void* GetQuickToInterpreterBridgeTrampoline() const {
+    return quick_to_interpreter_bridge_trampoline_;
+  }
+
   InternTable* GetInternTable() const {
     return intern_table_;
   }
@@ -658,6 +662,7 @@
   const void* portable_imt_conflict_trampoline_;
   const void* quick_imt_conflict_trampoline_;
   const void* quick_generic_jni_trampoline_;
+  const void* quick_to_interpreter_bridge_trampoline_;
 
   friend class ImageWriter;  // for GetClassRoots
   FRIEND_TEST(ClassLinkerTest, ClassRootDescriptors);