Updated openstack/openstack
Project: openstack/glance  7ed9ae055d0269cdea65a38b9700ee2cf6d708db
null
Sync lockutils from oslo

Change-Id: I906810cd8b109dd2b88e76c5aec9536c62913068
Signed-off-by: Zhi Yan Liu <zhiyanl@cn.ibm.com>