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

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

Change-Id: I6d7b924f9c0e8722400611cec31b4bf4222548ad