Merge "add test for TetheringUtils::setupNsSocket()" am: d3bb5a544c am: b0c92ad6c8 am: 277bed477f

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1638165

Change-Id: I497be045f1884e8a5ca166a812a4cc04768dde3e
tree: 87edfc06ad64f3abe5cff27e2eadb295b5c407d6
  1. tests/
  2. Tethering/
  3. .gitignore
  4. OWNERS
  5. PREUPLOAD.cfg
  6. TEST_MAPPING