Merge changes Idaf3ed15,I8613df78,I132c7667,I050f310b,I80459064, ...

* changes:
  LeAudio: Improve group activation
  LeAudio: Improve audio stream context mixing logic
  LeAudio: Do not reconfigure on sink metadata update
  LeAudio: Do not reconfigure to UNSPECIFIED scenario
  LeAudio: Fix missing audio HAL responses on failure
  LeAudio: Ignore context unavailability when it is already active
  LeAudio: Extend GAME configurations
  LeAudio: QoS configurations improvements