Merge "Enable unseen notification filter for droidfood" into tm-qpr-dev am: c015850bf2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21044665

Change-Id: I151a527c4eed96185c8f60a06fbf48108c201c45
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>