[automerger skipped] Revert "Revert "Move Inet[4]AddressUtils to libs/net"" am: 78701646dd am: 827a8abfb5 -s ours am: ce321cccc3 -s ours am: 5a3b172d0b -s ours

am skip reason: Change-Id Icd141a992c46290c74929785e261a1cd57bc001b with SHA-1 2e342b8676 is in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1382497

Change-Id: I3fa582c372cf3b4c9d4063e343411eaa71ef438b
tree: fd7f7affec11be71600991fa3f09d04ca8c5530d
  1. Tethering/