
Add `revert_to_snapshot` API support for VNX Cinder driver. Implements: blueprint vnx-revert-to-snapshot Change-Id: Id6e3090d96a5bbf4879e8577fe3565c3032de228
Release notes
The release notes for a patch should be included in the patch. The intended audience for release notes include deployers, administrators and end-users.
A release note is required if the patch has upgrade or API impact. It is also required if the patch adds a feature or fixes a long-standing or security bug.
Please see https://docs.openstack.org/cinder/latest/contributor/releasenotes.html for more details.