Merge changes I62432051,I95705e96,Ic454d8e5,I0ee8353b,I4163fec7, ...

* changes:
  leaudio: Improve switching context types
  leaudio: Allow to disable Link Quality Reports
  leaudio: Fix handling invalid peer device
  le_audio: Handle multiple audio server tracks
  le_audio: Initial implementation of updating metadata
  vc: Add support for group operations