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 am: 4aa8542a

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

Change-Id: Iacd97ea8d6626cfc85500bf3b32bceaceed2c4a1