toy-sundar.xml = rel-2.5.0.xml with ep-engine path

Change-Id: I7eef00cd45852cbd7335382aa696fc8e52baa315
Reviewed-on: http://review.couchbase.org/32741
Reviewed-by: Sundararaman Sridharan <sundar.sridharan@gmail.com>
Tested-by: Sundararaman Sridharan <sundar.sridharan@gmail.com>