Updated openstack/openstack
Project: openstack/nova  383170f8b74aa451ad82cd32e7e1f8fbe4b40bd1

Add UNSHELVING and RESCUING into IoOPSFilter consideration state

IoOpsFilter will take instance in following state
task_states.RESIZE_MIGRATING, task_states.REBUILDING, task_states.RESIZE_PREP,
task_states.IMAGE_SNAPSHOT, task_states.IMAGE_BACKUP
into consideration ,if the instance on this host exceed the maximum
number of instance allowed to do I/O the scheduler will fail on the host

UNSHELVING and RESCUING are also I/O related so IoOps need to include them

Change-Id: I141470254c824e7e57e6734ae0e016c432b85c00
Closes-Bug: #1295558