Revert "Revert "Change CM recovery install script filename [1/2]""

This reverts commit 25153329d8ba481f284213e84dfad5c879366062.
Revert "Revert "ota: Generate recovery-from-boot.p file""

This reverts commit 2e914b2faa57a62c71a77f1f10ff9655b8f7bac4.