Fix jack transformation on prebuilt AAR.

Change-Id: I74f932cff606138943d97b923bbd059bcd496e46
diff --git a/core/prebuilt_internal.mk b/core/prebuilt_internal.mk
index ea7520f..8d03746 100644
--- a/core/prebuilt_internal.mk
+++ b/core/prebuilt_internal.mk
@@ -304,7 +304,7 @@
 
 ifeq ($(LOCAL_MODULE_CLASS),JAVA_LIBRARIES)
 $(intermediates.COMMON)/classes.jack : PRIVATE_JILL_FLAGS:=$(LOCAL_JILL_FLAGS)
-$(intermediates.COMMON)/classes.jack : $(my_prebuilt_src_file) $(LOCAL_MODULE_MAKEFILE) \
+$(intermediates.COMMON)/classes.jack : $(my_src_jar) $(LOCAL_MODULE_MAKEFILE) \
         $(LOCAL_ADDITIONAL_DEPENDENCIES) $(JILL_JAR) $(JACK_JAR) $(JACK_LAUNCHER_JAR)
 	$(transform-jar-to-jack)