Merge "New Pipeline: hide VISIBILITY_SECRET notifications on lock screen" into tm-dev am: ecc34caee3 am: 304a52c81e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19755224

Change-Id: I333e66aec9221790c61b71a5afb1a4320271718a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>