Merge "Show Reachability only once per user on device lifetime" into tm-qpr-dev am: fa30f6e5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22237105



Change-Id: Iafe5664dc8da2823ead29dc4dfad5cec7a1a4333
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>