Explicitly name subscription queue

This ensures that on reconnect the same queue is used rather than leaving it abandoned
but still bound with the same routing key that will be used with the new queue.

Change-Id: Ib76371a3b649688df395d7bf07f813a837b2313a
Closes-Bug: 1318742
(cherry picked from commit e29b8aa672ddd5cb29e94cc6d73c62a1f0c657fe)
Merge "Explicitly name subscription queue" into stable/icehouse