Making gate-trove-functional-dsvm-mysql a gating test
Making gate-trove-functional-dsvm-mysql a gating test

At the trove mid-cycle in Seattle it was decided that this test should
be made a voting test. See
https://etherpad.openstack.org/p/trove-kilo-sprint-oslo-integration
for details.

I'm submitting this change and SlickNik (PTL, Trove) can verify.

Change-Id: I5c0652736319aa5c09b23f8a5167985c3058fb94

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