Allow to pass arguments to Jill

Bug: 19026410
Change-Id: I3f3d7c0e7f8d6cc7150ae560b8734093798e8299
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index 1fe5455..bac0829 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -113,6 +113,7 @@
 LOCAL_JACK_VM_ARGS := $(DEFAULT_JACK_VM_ARGS)
 LOCAL_JACK_EXTRA_ARGS := $(DEFAULT_JACK_EXTRA_ARGS)
 LOCAL_JACK_FLAGS:=
+LOCAL_JILL_FLAGS:=
 LOCAL_CERTIFICATE:=
 LOCAL_SDK_VERSION:=
 LOCAL_SDK_RES_VERSION:=