Bluetooth: AVRCP Controller 1.3 Support

- add permission for AVRCP Controller 1.3. As part of
  MR1 upgarde SystemUI  binds AVRCP_ControllerService
  BluetoothProfiles for better management. We need to add
  permission in SystemsUI so that it can bind to
  AvrcpControllerService.

Change-Id: I30396ca1f60e08cd45d307b0be2dbec8cde7c202

Bluetooth: Support for  AVRCP 1.3 Controller

- Contract class for Content Provider. This provides
  uri and permission to be used by 3rd party apps.
- Interface functions for 3rd Party Apps. These
  interfaces are required to invoke fetching of MetaData

Change-Id: Iaba2be7bf86a355753a590d1a53dbb1228b42197