Add volume to logs when call audio route changes.

Adding the ring, call and vt volumes to the logs when switching routes.
E.g.
15:12:23.121 - AUDIO_ROUTE_SPEAKER (Volume: rng=5, call=7, bt=7)
This should help diagnose audio issues in calls.

Test: Manual
Bug: 25023149
Change-Id: I089cb32a8277e1b5c5cb5e76f8a8549195cd3796