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: 36f74874 am: e123c954

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

Change-Id: I2ff55229b94b655e1920d631395706fa5dbc20cf