Tidy up memory barriers.

Change-Id: I937ea93e6df1835ecfe2d4bb7d84c24fe7fc097b
diff --git a/runtime/native/java_lang_reflect_Field.cc b/runtime/native/java_lang_reflect_Field.cc
index 553aeb8..269a4a3 100644
--- a/runtime/native/java_lang_reflect_Field.cc
+++ b/runtime/native/java_lang_reflect_Field.cc
@@ -222,7 +222,7 @@
   // Special handling for final fields on SMP systems.
   // We need a store/store barrier here (JMM requirement).
   if (f->IsFinal()) {
-    ANDROID_MEMBAR_STORE();
+    QuasiAtomic::MembarStoreLoad();
   }
 }