1. Clean up the LE offlload path for HIDL 2.1
2. Add support offload path start/suspend/stop function with HIDL 2.2
Bug: 197296692
Bug: 150670922
Test: HAL 2.1/2.2 work for A2DP software/hardware media, and LE audio
software media/voip call
Change-Id: I2295b62fc2255d247f18f0852de2b40e6280d282
When just microphone is enabled, i.e. for recording audio, we will
receive just sink metadata update.
Bug: 150670922
Change-Id: I795385d19e64ec5c6bc0a8549beda52da27d25a1
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