Update toy-indexing.xml

Change-Id: I59feb8ede326ff0972223043a8b829e3c5be161d
Reviewed-on: http://review.couchbase.org/42313
Reviewed-by: Sarath Lakshman <sarath@couchbase.com>
Tested-by: Sarath Lakshman <sarath@couchbase.com>