Allow users to open switcher in call for desktop

When input routing is enabled in desktop devices, allow users to open
switcher dialog during call/meeting.

Change-Id: Ia88352a4fb1619b08f86710cf21557fb3df7479a
Bug: b/355684672, b/357123258
Test: atest MediaOutputComponentInteractorTest
Flag: com.android.media.flags.enable_audio_input_device_routing_and_volume_control
4 files changed