CBD-1191:  map all testrunner commit validaton queries to job: testrunner-gerrit-master

Change-Id: I1f31c9df25fcd177eab1f70e826f287b835f20bd
Reviewed-on: http://review.couchbase.org/33993
Reviewed-by: Eric Limare <eric.limare@couchbase.com>
Tested-by: Eric Limare <eric.limare@couchbase.com>