[RockChip] MyMTCService (RK318

Aug 7, 2017

1. Added backup / restore function
2. pre-defined app to use media key
3. Display music playback information
- Remove artist / album text
4. Music app control
- Disable system control function when using music app control on PX5 devices (Controlled by MyMTCService)
- Improved to recognize the player even if the app is active even if it is not playing
- Added function to disable Toast message when controlling music app.
5. Add music app support
- MX Player support (AD / Pro)
- Musicmate support