Updated openstack/openstack
Project: openstack/tempest  63cc2783d7316bc473c8b95ab2c8aaba3e1de91f
null
Sync fixtures from oslo and use LockFixture

This commit adds fixture to openstack-common.conf to sync fixtures
from oslo. This patch also updates the location from which
LockFixture is used. It was originally in
tempest.openstack.common.lockutils but it was moved to the fixture
module.

Change-Id: Icffa613b92e059926b5394e9881ae0d8fe7fa910