[automerger skipped] Merge "fastbootd: copy AVB footer on boot image to end of...

[automerger skipped] Merge "fastbootd: copy AVB footer on boot image to end of block device" into rvc-dev am: 56c1c590 am: 72b329f7 -s ours am: 68de9713 -s ours

am skip reason: Change-Id I11f0c7d32d1b6c74edd4f84f815d175605280cb8 with SHA-1 bd98e254 is in history

Change-Id: Ib96dbe890b5dd431133b6513455dc9085fcb153a