Merge "Remove check preventing keyguardGoingAwayRunnable from being called if it's already going away." into sc-v2-dev am: 3cefbe75b5 am: f5fd9f2ab2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16480615

Change-Id: Icded49c439fb75ea0eb81cc26dd3719839d76eec