aries-common: use common recovery.rc

Note that init.recovery.aries.rc is intentionally copied to
root instead of recovery/root, the build system will put it
in the correct place.

Change-Id: Ie8dc0a320c1ceb62e3679c4cfaf39d1553918982
aries-common: fix lun mounting in recovery

without specifying the lun file, the recovery will get confused when
there is no sdcard inserted

Change-Id: Id66c029734671ff1cfb3dedd1e9e3946216e2a8c