Merge "Rename Kotlin util files to not include the Kt suffix" am: b1a3247ab4 am: c5d748e694

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1350084

Change-Id: I6362695120ea8669e1da84bb686e886b85efd6a3
tree: beafb41626160bda0a3b86da0ca194e59c482f78
  1. Tethering/