Updated openstack/openstack
Project: openstack/ceilometer  5949ae697ca78add4105975e29261784e686b339

Timestamp bounds need not be tight (per ceilometer 1288372)

We were testing that the bounds were tight, but that isn't our
contract any more.

Related-Bug: #1288372

Change-Id: Ia25e97d33775d5f88348dfd75dfa98ce3bee0d02