Add shell commands MusicRecognitionService

The shell command allows a temporary override of the recognition service so I can substitute a stub in cts tests. Also add permission for the shell to be able to invoke the recognition api for the sake of cts tests.

Bug: 164439465
Test: new test in topic
Change-Id: I4a8de616a70f0d6504b2eaf486d5641cb7872607
5 files changed