Make manilclient functional tests job votable
Make manilclient functional tests job votable

Manilaclient's job with functional tests is stable.
So, make it votable and add it to gate queue.

Change-Id: Ifc7e6eee368b277f41e83f96e55a8c358052fa82

Tesora/tesora-project-config,noorul/os-project-config,anbangr/osci-project-config,coolsvap/project-config,anbangr/osci-project-config,dongwenjuan/project-config,citrix-openstack/project-config,open-switch/infra_project-config,openstack-infra/project-config,citrix-openstack/project-config,Tesora/tesora-project-config,dongwenjuan/project-config,noorul/os-project-config,openstack-infra/project-config,open-switch/infra_project-config,coolsvap/project-config