Fix oatdump to use OatHeader pointer size

Bug: 18473190
Change-Id: If505b4f62105899f4f1257d3bccda3e6eb0dcd7c

(cherry picked from commit c934e483ceabbd589422beea1fa35f5182ecfa99)
diff --git a/runtime/instrumentation.h b/runtime/instrumentation.h
index 369039d..effa9f7 100644
--- a/runtime/instrumentation.h
+++ b/runtime/instrumentation.h
@@ -200,7 +200,7 @@
   // Get the quick code for the given method. More efficient than asking the class linker as it
   // will short-cut to GetCode if instrumentation and static method resolution stubs aren't
   // installed.
-  const void* GetQuickCodeFor(mirror::ArtMethod* method) const
+  const void* GetQuickCodeFor(mirror::ArtMethod* method, size_t pointer_size) const
       SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
 
   void ForceInterpretOnly() {