[automerger skipped] Implement device lock state listener am: f44dc885 am: 94688ad8 -s ours

am skip reason: Merged-In I672954ac7bf5d428612c4d6f11c0ee3895b02ab0 with SHA-1 6ea7c4f5 is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3368759



Change-Id: I711e16adbc8390b7594c95cad618f34e1c4e07cf
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>