framework: Implement BluetoothCodecType to extend SourceCodecType

BluetoothCodecType records:
- the legacy codec type; assigned codec number from BluetoothCodecConfig
- the unique codec identifier; composed of the codec type, vendor
  company ID and vendor codec ID
- the codec name

Bug: 305734815
Test: atest CtsBluetoothTestCases
Change-Id: I1401fd51f5be6a7df9541966bf60d45a887742ba