Updated openstack/openstack
Project: openstack/keystone  80d0ebd93d784bb1ec4cf7e8ddd2ff151401692f

Address some late comments for memcache clients

This change addresses some late comments from the following review:
https://review.openstack.org/#/c/119452/31

Change-Id: I031620f9085ff914aa9b99c21387f953b6ada171
Related-Bug: #1360446