Merge changes I72de8348,I14f8eda5,I641e9933,Iec541126,Iebb66edf, ...

* changes:
  LeAudioTestApp: Add button to trigget set active group
  HapClientService: Don't use cache for PTS
  has_client: Add upper tester for the PTS
  has_client: Disconnect profile when control point is not accesable
  has_client: Improve subscribing for notification
  has_client: Fix Indication confirmation
  has_client: Always write CCC values
  has_client: Improve subscribtion to control point
  gatt: Fix incorrect GATT confirmation on indication