Merge "[CS][Disable] Add DisableFlagsRepo and use it for notif alerts status."...

Merge "[CS][Disable] Add DisableFlagsRepo and use it for notif alerts status." into udc-qpr-dev am: b3e981c3 am: c25a6ec4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23620496



Change-Id: Idcfa697de0c42678d77854047b515d38973a59e2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>