Merge "Add logging for unseen notif filtering" into udc-dev am: 209dc315

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22557506



Change-Id: I8c22222a350fb27c4e3db665449f860570163b3a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>