ota: Generate recovery-from-boot.p file

This may be wanted to update the recovery with system updates

Change-Id: Iacd41be7a8018cbc08b2606485d446756910f506
Merge branch 'upstream/cm-11.0'

Signed-off-by: Almite <almite@hotmail.com>

Conflicts:
	tools/releasetools/ota_from_target_files