[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 -s ours am: 1881e8a4 -s ours

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

Change-Id: Ib2cd2db52f1cefeaf62b94babe77bbfaedd4b087