Temporarily use a separate var for including shared resources

Change-Id: I56636a1d7dfdaa070706f1991f80e03fe2f71069
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index e9b1c53..d2a0bfd 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -90,6 +90,7 @@
 LOCAL_JAR_MANIFEST:=
 LOCAL_INSTRUMENTATION_FOR:=
 LOCAL_APK_LIBRARIES:=
+LOCAL_RES_LIBRARIES:=
 LOCAL_MANIFEST_INSTRUMENTATION_FOR:=
 LOCAL_AIDL_INCLUDES:=
 LOCAL_JARJAR_RULES:=