Add the visibility of net-utils-framework-common for cts-net am: 652aa2918b am: bc86c5f285 am: c4e4e81071

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/libs/net/+/11941178

Change-Id: I80288039e5f7e968b45879200b21cfe20eb10e36