Validate final Gerrit 2.4.4 build on review-dev.

Change-Id: If06499650d1b98f475ed71def182ff5901972c07
Reviewed-on: https://review.openstack.org/36764
Reviewed-by: Monty Taylor <mordred@inaugust.com>
Approved: James E. Blair <corvus@inaugust.com>
Reviewed-by: James E. Blair <corvus@inaugust.com>
Tested-by: Jenkins