ota: Generate recovery-from-boot.p file

This may be wanted to update the recovery with system updates

Change-Id: Iacd41be7a8018cbc08b2606485d446756910f506
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_build into temp

Conflicts:
	tools/releasetools/ota_from_target_files

Change-Id: Idaf8bc9a1f80b6805c60aae4de815fae7fa3b97f