The Spatial audio settings page control the state for the phone speaker
and the wired headphones
Test: make RunSettingsRoboTests
Bug: 220811398
Change-Id: I49e3fab48186d09357a8481652bdccb4aa5d044a
The Spatial audio toggle will be showed only on supported devices
Test: robotest, manual checked the UI, but not the actual functionality due to
doesn't have supported device in hand
Bug: 191870827
Change-Id: I7db264902b03fddb7808676d8cb98cbe045deda1