hlte: Fix perms for SAP

Change-Id: Iee3dfdbc4e3d60cd9c5356e341da807cb29a9899
hlte: Cleanup init scripts, fix orientation sensor

 * Cleanup to match stock
 * Set "debug.sensors=1" to fix the orientation sensor.
 * Don't ask me why this works, because I do not know.

Change-Id: I9c2f927eeaa56083d09ad5919324b54ffdb910ae