This patch adds support to the v1.1 and v2 API for PATCH to update queue
metadata. Depends on server support for PATCH waiting to be merged here
https://review.openstack.org/#/c/280941/
Change-Id: I9dec8ab8b3f99d48b4a42fde6244d38038e4662f
Depends-On: Iba6d7a0ca5cf7a755c20d9af69d5c52687142dff