* Remove usage of deprecated setLocationProviderEnabled and
isLocationProviderEnabled
* Use BroadcastReceiver to listen for changes to mode
* Replace GPS option with Battery Saving option (there is no longer a
mode available in Android which disables GPS)
TODO: Create CMStats entry for ENABLE_BATTERY_SAVING_LOCATION
Change-Id: I2efe69125518637ae9b7d0dce285c39dae654d4c
