Updated openstack/openstack
Project: openstack-infra/devstack-gate  b9f5bf63bc3b44e8982d4e615e350e12015ff63e
null
Write DO_NOT_UPGRADE_SERVICES to grenade's localrc not devstacks

This should fix check-grenade-dsvm-partial-ncpu which currently isn't
getting DO_NOT_UPGRADE_SERVICES=[n-cpu] written to its localrc file

Change-Id: Ided01c2688c360881e99c794b518021cd0c302c6