Native interface to AudioService

Implement a native interface to communicate with
  AudioService implemented in Java
Define transaction IDs for all methods, but comment
  out the ones for the methods that are not implemented.
Implement the methods for PlayerBase tracking.

Test: make, related SL ES test coming
Bug: 30955183

Change-Id: I9f9bbad7c07743cdd8957cf5b8b151a8aead53b3