Add support for bluetooth.audio@2.2 HIDL version

It's the short term solution. It would be reverted after aidl version ready
then.

Bug: 150670922
Bug: 197297498
Test: LE audio and A2dp device streaming work with HIDL 2.2/2.1
Change-Id: Ifb1841d67c9c8a8af56665b835bf4a59d8523dd4