i9300: selinux update

Change-Id: I16075a197f2f226f1d133232a7acf6b745540ada
i9300: update overlays

- Enable noise suppression
- Fix camera bugs - can't connect to camera
- Delete obsolete 4.3 & focal files
- Add 4.4 files
- Whitespace & indentation cleanup
- Remove some overlays which have default value
- Fix stereo recording in camera. Thanks to marcks :)
- Update power_profile

Change-Id: I6976a24f39301f2f4f0c0f2fd4f9d55e569fd7f5
Merge "i9300: selinux update" into android-4.4
Merge branch 'android-4.4' of https://github.com/omnirom/android_device_samsung_i9300 into android-4.4