Fix GPS on KitKat

* Workaround RIL GPS socket issue by stopping ril-daemon during boot,
  then chmodding socket files and restarting ril-daemon upon bootanim
  competion.
* Add property permission overrides needed for GPS/Bluetooth.
* Install EU SUPL gps config.

Change-Id: I8f7c2ff3f7dc25028947d5a893e25b0b1f4816e8
GPS: improve GPS daemon <-> RIL connectivity

Change startup behaviour to ensure that gpsd daemon's sockets
always have the correct permissions needed for RIL connectivity.

Change-Id: I3c4d19cd9988f68344c91e35c9fbf93969b5ec66