Merge "SysUi ThresholdSensorImpl registers for wakeup variant" into sc-dev am: 35929095bd am: d6f15ae4d0 am: 744136d2e5

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

Change-Id: Ic67aaea087d9910ee3695e609b08b677d972c511