[automerger skipped] Support DNS64 synthesis using externally-discovered...
[automerger skipped] Support DNS64 synthesis using externally-discovered prefixes. am: 346737c0 am: f697187a am: e37b2b98 -s ours
am skip reason: Change-Id I7c63fb62b70635a1b5cc7a21d60f091ba2705d72 with SHA-1 346737c0 is in history
Change-Id: Ibc5f5a017b4aaa26b0b5b61a1a1ecbf215929d02