Merge "Remove unused testutils lib from tethering tests" am: a8e68bb723 am: d8c1f0dc19 am: a3de2aa6d3 am: 3065a5df85

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

Change-Id: I6f7ded717faf6e801102e37863ff9477dde47c8a
tree: ef44ec7367905fc27f153f287d649e355a8351c8
  1. Tethering/