Merge "Move IpUtils to frameworks/libs/net" am: e842db3548 am: 62e99304d6 am: e55c9f1335 am: 364672242c

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

Change-Id: I27072c126ee7eedc2de3d1cdccd0fd503f1577a1