Add instance's locked field and instance's
display_description field in InstancePayload.
Implements: bp additional-notification-fields-for-searchlight
Change-Id: Iceae25ca8a0d7f2e5f22cab1364215bda2fae93c
We don't need image_name as an extra usage information, because
in the versioned notification, we have image_uuid which can be used
to get the name of the image from glance, if needed.
Change-Id: I1f3ea8d74a2e59049447c3045a293ce0babfb427
Implements: bp versioned-notification-transformation-ocata
Anusha Unnam