Bubble v2 logging.

Log the following actions:
- expand/collapse bubble
- return to call
- mute/unmute
- switch audio route to speaker/bluetooth/wired or earpiece
- end call

Bug: 67605985
Test: AudioRouteSelectorActivityTest, NewReturnToCallControllerTest
PiperOrigin-RevId: 179484647
Change-Id: I4e2ee34f5550382b2e51bab16ce33e9e16caa3b2