audio: Add AUDIO_FORMAT_DEFAULT to supported formats (V6) am: 50bf1116fc am: 12b2c93b10 am: bd701ebc51 am: ee5066c40d am: b74c11d1c7 am: 5dc07d429d

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2989191

Change-Id: Iff4216cfc2b6726aa6f097ac2c12bfafdd269df4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>