Merge "Improve App notification loading" into tm-qpr-dev am: 4ab52558 am: 6292d9ff

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/19290333



Change-Id: Ifb860cdab87fc01ba578346167361a1d30ae9695
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>