tree d274cce4393bae562822ef7f1fc22fe028fba8eb
parent 155e5d6de7059198b21f3f220fbff7bf0baf306c
author Jeff Sharkey <jsharkey@android.com> 1460393870 -0600
committer Jeff Sharkey <jsharkey@android.com> 1460401315 -0600

Clean up AudioRouting API internals.

Reuse existing OnRoutingChangedListener APIs and internal logic by
extending the new AudioRouting.OnRoutingChangedListener.  We use
new default methods to delegate incoming calls on the legacy
interfaces.

Fix a handful of locking bugs.

Bug: 27950070, 27952052, 27949198
Change-Id: Ie584108bcbeeab064d8e27d4984e541f31d36728