Merge "Revert^2 "[hotword] remove exemption for pixel devices"" into udc-dev am: 8e3c3bd264 am: 90095e3dd2 am: 415ed5858c am: 3d86a68bf2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23260396

Change-Id: I0644473c282621782bd3a62b1e539d0ad9d3ed0b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>