The following notifications have been transformed to
the versioned notification framework.
* compute_task.build_instances
* compute_task.migrate_server
* compute_task.rebuild_server
Co-Authored-By: Takashi Natsume <natsume.takashi@lab.ntt.co.jp>
Change-Id: Ibfb0a6db5920d921c4fc7cabf3f4d2838ea7f421
Implements: bp versioned-notification-transformation-stein