Updated openstack/openstack
Project: openstack/python-cinderclient  e5ae2ff8d70590f0a8dc0dc359661d5acf1ac4af
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Adding volume readonly-mode-update interface to Cinder client

Adding volume readonly-mode-update interface to shell and client object
(v1 and v2) to allow end user update volume read-only access mode flag.

blueprint read-only-volumes

Related-Id: I4c84614d6541d5f7c358abadb957da7b8c3d9c48
Change-Id: I2d587f301a21c0d42b8940465862da25a70ed5a8
Signed-off-by: Zhi Yan Liu <zhiyanl@cn.ibm.com>