Rename utils to remove the Kt suffix am: fe37693632 am: d19136eefd am: 5d36f05fd1 am: b1e047f2a1

Original change: https://android-review.googlesource.com/c/platform/frameworks/libs/net/+/1350184

Change-Id: Ic90a99a3beb7bac71ac1aec6db6d0cf025c08e8d
tree: ad256ff15c3767191513bab32db158474bc8fe30
  1. staticlibs/