Merge "Remove unused testutils lib from tethering tests" am: a8e68bb723 am: d8c1f0dc19 am: a3de2aa6d3

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1433924

Change-Id: Ib7d695934eb69c8e49e690d3d85198cf6f7b9ff4
tree: ef44ec7367905fc27f153f287d649e355a8351c8
  1. Tethering/