toy-sarath.xml: Update toy build manifest to test fix for MB-11563

Change-Id: I00148a4debf5cd4ae897f4c14720e5763ff0dad8
Reviewed-on: http://review.couchbase.org/38934
Reviewed-by: Sarath Lakshman <sarath@couchbase.com>
Tested-by: Sarath Lakshman <sarath@couchbase.com>