bluetooth.audio@2.1: add internal HW offloading data path routing am:...

bluetooth.audio@2.1: add internal HW offloading data path routing am: c8861ece am: 560e842d am: c19e62bf am: 7f6436d2

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1724672

Change-Id: I8f9b53c66a5f1d24dff058046915b52841cc6f78