[conflict] DO NOT MERGE Suppress notifications when device enter lockdown am: 85c00b98a6

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17823648

Change-Id: I248486e7eb6210ba54b30276cfce15a18dc5f9bd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>