Add core-oj to the list of core library jars.

Change-Id: Id6ecfbca47153f0cd2bf1f3585460541298fb359
diff --git a/Android.mk b/Android.mk
index 3318211..86b8bb3 100644
--- a/Android.mk
+++ b/Android.mk
@@ -56,7 +56,7 @@
 LOCAL_JARJAR_RULES := $(LOCAL_PATH)/jarjar-rules.txt
 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 LOCAL_NO_STANDARD_LIBRARIES := true
-LOCAL_JAVA_LIBRARIES := core-libart
+LOCAL_JAVA_LIBRARIES := core-oj core-libart
 include $(BUILD_STATIC_JAVA_LIBRARY)
 
 # For unbundled use, supports gingerbread and up.