Merge "Apply Assistant AudioPolicy to HotwordDetectionService" into sc-dev am: 0c1ce4efc5 am: 4bc42ce81c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/15464022

Change-Id: I5e646cde38c44f967761d58fe352c043f237a0f8