[automerger skipped] Merge "[DO NOT MERGE] Keyguard - Treat messsages to lock...

[automerger skipped] Merge "[DO NOT MERGE] Keyguard - Treat messsages to lock with priority" into rvc-dev am: 508167f7 -s ours am: cf13bbbc -s ours am: 2964f715 -s ours am: a288914d -s ours

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Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16371387

Change-Id: Id606e9d7445a0555b2e72ccdcad4412c9e76e6ae