DO NOT MERGE : backport of backup transport whitelist
am: 647cb6a6d8  -s ours

* commit '647cb6a6d82e3bb22eca0e5a27810e99084e2d5b':
  DO NOT MERGE : backport of backup transport whitelist

Change-Id: I08b62dc7639ecc874d4c61d737b2b4cca27da241