Merge "Limit the max value for hotword offset and audio channel" into sc-dev...

Merge "Limit the max value for hotword offset and audio channel" into sc-dev am: dadd7661 am: 13127f18

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15207278

Change-Id: I17ac9702fb7fceda97c864a03971250986bcc49c