[ALPS03890927] battery: fix sepolicy violation

[Detail]
1. fix data between core and vendor violator
2. remove fuelgauged_static.te
3. remove fg daemon access nvram sepolicy
4. add label for battery

MTK-Commit-Id: 1443b78b112739594e0633526c6966e4871bd125

Change-Id: I931a18bfb8ac963e71311ceace8a28b4a495e881
Signed-off-by: Timo Liao <[email protected]>
CR-Id: ALPS03890927
Feature: Fuel Gauge