[automerger skipped] Add overlay options for no internet notifications am: 893494289b -s ours

am skip reason: Merged-In Ib5bd74d8cf973bf70d373dd63648c178fae0ebae with SHA-1 5dc6ca0318 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/15461110

Change-Id: I888ccf6b8db5e43bcacb3aca18bd6a6085a9f072