Add hidl 2.2 for LE audio support

1. Add mode and difference config type for the unicast/broadcast
2. Support multiple audio configuration with broadcast
3. Add the streamMap for unicast/broadcast

Bug: 201292721
Bug: 150670922
Bug: 197297498
Test: m android.hardware.bluetooth.audio@2.2
Change-Id: Ib95850a7e56e9a03c5b400acdaf0625f0aa8726f