Make gate-heat-templates-* jobs voting
Make gate-heat-templates-* jobs voting

These jobs are stable (other than when commits break them) so now is
a good time to make them voting.

These jobs will now also run on gate.

Change-Id: Ic6ea9799025f5e735a6de4f609e613451cb66e16

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