Updated openstack/openstack
Project: openstack/cinder  1636f61b9ead21eb03ed444d40221ba53791c9b6
null
Fix cross-import bug in cinder.db.sqlalchemy.api

Cross import in cinder.sqlalchemy.db.api module breaks
if lazy loading of db backend is removed

In oslo.incubator db.api lazy loading was removed
Check this change for details https://review.openstack.org/#/c/55985/

Change-Id: I6a75afd0b9b55097ef76ad24c53e84339b527196