tree db8d5cbf5389aa15865b81864204df82f42b3c5b
parent 66660415890d105449d3227ffa0139ddd0f67d6d
author Jean-Michel Trivi <jmtrivi@google.com> 1580946282 -0800
committer Jean-Michel Trivi <jmtrivi@google.com> 1581441647 -0800

AudioManager: listener for changes to preferred device for strategy

Add a listener for being notified when the preferred audio device
for an audio strategy changes.

Bug: 148566862
Bug: 144440677
Test: atest AudioServiceHostTest#testPreferredDeviceRouting
Test: atest AudioServiceHostTest#testDevicesForAttributes
Change-Id: Iff47d6bc7f4bd18c3a8fe48557acf803a4059630