Updated openstack/openstack
Project: openstack/nova  269e7b42f2bcd4798823430e11ff68a4863c1349

Do not replace the aggregate metadata when updating az

When the aggregate availability zone is updated, the
existing metadata should not be replaced

Change-Id: Ife856af9e7dca836ebe8a1ec050effaad421e17d
Closes-Bug: #1274924