Merge "Add keyguard shortcut for opening QS user panel" into sc-dev am: 7e24b8beff

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13567820

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Id4d58e04c3ddbb89501bcfc8d66e418c257adcfb