[automerger skipped] Fix race condition between lockNow() and updateLockscreenTimeout am: 1692babe5e -s ours am: 208512ae75 -s ours am: e8f110352b -s ours am: ffdad637f3 -s ours

am skip reason: Merged-In Ie486396fd7328edf8ca0912df92524bb82a1fb7f with SHA-1 1fc88c383e is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14679730

Change-Id: I47c940c34f0f0859b37cfb26848b758d7e09a3fd