NetworkStackNotifier is not nullable anymore am: c6b23e6236 am: 3f1dea3220 Original change: https://android-review.googlesource.com/c/platform/packages/modules/NetworkStack/+/3291187 Change-Id: I4e465002fff6944bc511a62f3ab98655c51368dd Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>