Updated openstack/openstack
Project: openstack/nova  0f4e3012d5f5636939f46e768dfe842e77a318a2

Use admin only common test case in admin action unit test cases

This patch use nova.tests.unit.api.openstack.compute.plugins.v3
.admin_only_action_common as the base class of AdminActionsTest
which can be shared by v2 and v21

Partially implements blueprint v2-on-v3-api
Change-Id: I16b59e8db59242b8e7b626cc77d0fff6bfc062e4