tree 5019c0e3696ac5ad8fb04d3a33aaf3ebbd438c72
parent 11c54089e6dc6281e461eeb48f45023c994ade8a
author Paul McLean <pmclean@google.com> 1628616778 -0600
committer Paul McLean <pmclean@google.com> 1628775988 -0600

Show a message when the test peripheral config is invalid.

Bug: 195491490
Test: run AudioLoopbackLatencyTest. verify valid and invalid
 test peripheral configs. i.e. a headset only, USB speakers + loopback plug...

Also, recombine (singular) AudioLoopbackBaseActivity and AudioLoopbackLatencyActivity classes.

Change-Id: I3568d9309af150f0e6c77f20c0ff56eed93801f5