Updated openstack/openstack
Project: openstack/cinder  67f4483067919a14520ef0528325e61ca887118c
null
vmware: intermittent failure in test_vmware_vmdk

There was a race condition between the two Event() objects being
created within loopingcall and Retry in api module. Did away with
the Event object in Retry and used loopingcall the right way.

Change-Id: I2534bad9294747fcd618ba3634abb01ceef92213