Move utilities to libs/net am: de5905fe04 am: 248484d0bd

Original change: https://android-review.googlesource.com/c/platform/frameworks/libs/net/+/1350182

Change-Id: Ia8df54fc22ef5066f5c12c0e2d04baf17ad160f8
tree: a5d63556d930c1cf852d5c48d960ac19c020511a
  1. staticlibs/