[automerger skipped] Merge "[DO NOT MERGE] Keyguard - Treat messsages to lock with priority" into pi-dev am: 5e2939bd21 -s ours am: 6a4864ee21 -s ours am: d9a89e476c -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16371299

Change-Id: I7cb0e66b4c5651c28a3cf38ac94c698737e25786