make pause/resume xdcr toybuild

Change-Id: If71096d9cf039929dec37d9208e892eab9779cee
Reviewed-on: http://review.couchbase.org/33101
Reviewed-by: Junyi Xie <junyi.couchbase@gmail.com>
Tested-by: Junyi Xie <junyi.couchbase@gmail.com>