Merge "Rename Kotlin util files to not include the Kt suffix" am: a42b415dc9 am: f0adb99511 am: 45312ed54c

Original change: https://android-review.googlesource.com/c/platform/cts/+/1353402

Change-Id: I38476e305aa373309b0afc19dc9bd18099c32cfd
tree: 512f86e180e83c2ac5268d51b1ee0da4af33638a
  1. tests/