Merge "Update unseen notif filtering settings string" into tm-qpr-dev am: caf6347d

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/21464051



Change-Id: Ia7757a15bc4d4796fc7d573cc59b488453527038
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>