Merge "Move IpUtils to frameworks/libs/net" am: 4cb4ef8333 am: 9623f122df am: ff257a083e am: 1d0ddf081f

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1440234

Change-Id: I27072c126ee7eedc2de3d1cdccd0fd503f1577a1
tree: d3ed01ef22cd698bc3dcfaa026d422a306d94725
  1. Tethering/