Insert a read barrier in the JNI bridge.

Bug: 20720510
Bug: 12687968
Change-Id: Ia9edb614853bad45ec25d6e2142361a8bda1eccf
diff --git a/runtime/entrypoints_order_test.cc b/runtime/entrypoints_order_test.cc
index 1fb45f4..482f656 100644
--- a/runtime/entrypoints_order_test.cc
+++ b/runtime/entrypoints_order_test.cc
@@ -305,8 +305,10 @@
                          sizeof(void*));
     EXPECT_OFFSET_DIFFNP(QuickEntryPoints, pNewStringFromStringBuffer, pNewStringFromStringBuilder,
                          sizeof(void*));
+    EXPECT_OFFSET_DIFFNP(QuickEntryPoints, pNewStringFromStringBuilder, pReadBarrierJni,
+                         sizeof(void*));
 
-    CHECKED(OFFSETOF_MEMBER(QuickEntryPoints, pNewStringFromStringBuilder)
+    CHECKED(OFFSETOF_MEMBER(QuickEntryPoints, pReadBarrierJni)
             + sizeof(void*) == sizeof(QuickEntryPoints), QuickEntryPoints_all);
   }
 };