Change 2.5 manifest to add cbstats timeout change

Change-Id: I95a0aa5d672dff82f62260bb590083e622e06a16
Reviewed-on: http://review.couchbase.org/31484
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>