Updated openstack/openstack
Project: openstack/cinder  46a82328337753a456e9857ee27688f63f9b9f08
null
Remove the use of common.uuidutils.gen_uuid

There's a movement to remove gen_uuid from the
openstack common.  This change removes it's use
from Cinder and just puts the call inline.

Change-Id: I07329bab9553e15e498ddbda3848d50b8f48fd53