Allow Context properties to be passed through get_admin_context()
Allow Context properties to be passed through get_admin_context()

Change-Id: I409f24255cd10dc218551cc4351dd6ddce6a4446

ionrock/designate,richm/designate,ramsateesh/designate,kiall/designate-py3,openstack/designate,openstack/designate,cneill/designate-testing,tonyli71/designate,ramsateesh/designate,cneill/designate,NeCTAR-RC/designate,kiall/designate-py3,grahamhayes/designate,richm/designate,tonyli71/designate,cneill/designate,grahamhayes/designate,ramsateesh/designate,muraliselva10/designate,ionrock/designate,muraliselva10/designate,melodous/designate,melodous/designate,openstack/designate,cneill/designate,grahamhayes/designate,cneill/designate,cneill/designate-testing,ionrock/designate,melodous/designate,kiall/designate-py3,NeCTAR-RC/designate,melodous/designate,kiall/designate-py3,cneill/designate,kiall/designate-py3,tonyli71/designate,muraliselva10/designate,cneill/designate-testing