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

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

Change-Id: Ib5c5b9e7116bf0f036b51381602c131724a7585b
tree: 545f5d93134d16d92c97fcd96ff331251ede8f23
  1. common/
  2. .gitignore
  3. PREUPLOAD.cfg