Add query for Ceilometer timeout - bug 1336755

This is due to telemetry_notification_api.py test
timing out waiting for a Nova notification.

53 hits in the last 7 days -- all failures.

Change-Id: Ibe7460b2051204af01f8a3fd2ce74070e717a6f0
Merge "Add query for Ceilometer timeout - bug 1336755"