[automerger skipped] Add visibility for Connectivity tests am: a2f9c47520 -s ours am: b89e65e9e7 -s ours

am skip reason: Merged-In I99d1ec954ebe313e553443a9f081d54d7a5f12c1 with SHA-1 8b7225503e is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/libs/net/+/15166494

Change-Id: I92dd4b450cf076863ccadf32028be3bcae47a176