Merge "DO NOT MERGE Suppress notifications when device enter lockdown" into tm-dev am: 9ef08a26

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17894575



Change-Id: I18945c8dec893027b2d9810014b724ea9927f56b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>