Merge "SysUi ThresholdSensorImpl registers for wakeup variant" into sc-dev am: 35929095 am: 482e9a3f am: 3ad6562e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15131965

Change-Id: Ie0ffb2c4638d5e2a735ee9d017ea6dfe3dcfdb2d