Disable Tempest plugins gate for Aodh in stable/liberty
Disable Tempest plugins gate for Aodh in stable/liberty

There's no Tempest plugin in Aodh liberty.

Change-Id: I58f7754406586f1b41e52f69683df5faf257161b

openstack-infra/project-config,Tesora/tesora-project-config,openstack-infra/project-config,dongwenjuan/project-config,Tesora/tesora-project-config,dongwenjuan/project-config