Revert "DeskClock: Fix alarm clock screen show black  when screen locked;" am: 1696c539cb am: 053044633e am: 532bf8affa am: e2979f911b am: 4e84958361 am: baff37aca1 am: ce3be94f66 am: 63dcfca0e1

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/DeskClock/+/12150121

Change-Id: I00ba2066565443f8374037caaed05fbeaaf5e392