Merge "Add visibility for core tests" am: d54fcc49a7 am: 2b8a0ce7f4 am: cfe2e13a6f

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1978070

Change-Id: Ic850882eaf5c4d6af4307b22b3b28d044b0ebc8b