Add core-oj to the list of core library jars

Change-Id: I35f0786c4332ed46219decb4bc9a43d07e5111da
diff --git a/Android.mk b/Android.mk
index bb20f66..1e31ae0 100644
--- a/Android.mk
+++ b/Android.mk
@@ -21,7 +21,7 @@
 LOCAL_MODULE := apache-xml
 LOCAL_MODULE_TAGS := optional
 LOCAL_SRC_FILES := $(apache-xml_src_files)
-LOCAL_JAVA_LIBRARIES := core-libart
+LOCAL_JAVA_LIBRARIES := core-oj core-libart
 LOCAL_NO_STANDARD_LIBRARIES := true
 LOCAL_JAVA_RESOURCE_DIRS := src/main/java
 include $(BUILD_JAVA_LIBRARY)