Rename Kotlin util files to not include the Kt suffix

Callers don't care what language the utilities are written in

Test: builds
Change-Id: Ie212144f36c50db223c05f3fcb6bad745842cb5e
21 files changed
tree: b2250707413f056790025ea6fa3f573fd1300192
  1. core/
  2. services/
  3. tests/