audio_usb: Add unsupported pcm format for USB accessory on Raviole. am: e8505f1183 am: 24630737d0 am: fb1cc62091

Original change: https://googleplex-android-review.googlesource.com/c/device/google/raviole/+/15270332

Change-Id: I964bfea104495860b269bfe3dd5ac6a6918d8b39