Merge "Rename Kotlin util files to not include the Kt suffix" am: b1a3247ab4 am: 9da93f616e am: 70572e1b82 am: a0794291ec

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

Change-Id: I69da39a99014256dd1188cb522e8d0900deb66d1