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

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

Change-Id: I7229dab0c6246f9fbb6724456d9ada6064d3f31a
tree: ef44ec7367905fc27f153f287d649e355a8351c8
  1. Tethering/