The aggregate.update_metadata.start and aggregate.update_metadata.end
notifications has been transformed to the versioned notification framework.
Co-Authored-By: Takashi Natsume <natsume.takashi@lab.ntt.co.jp>
Change-Id: Iab73b1351a50869620334f692aaefb566ba4ddf8
Implements: bp versioned-notification-transformation-rocky