Merge changes from topic 'ST-1214' into staging/n/fp2

* changes:
  Adapt sepolicy of camera_detect for Android 7
  Merge branch 'staging/n/camera_detect' into staging/n/fp2
tree: e895502f79d22bb1a3d7a5621dbf1d32e0ed383e
  1. camera_detect/
  2. overlay/
  3. rootdir/
  4. Android.mk
  5. device.mk