[automerger skipped] Revert "Revert "Move Inet[4]AddressUtils to libs/net""...

[automerger skipped] Revert "Revert "Move Inet[4]AddressUtils to libs/net"" am: be007093 am: 62a694f8 -s ours am: b4cf848f -s ours

am skip reason: Change-Id Icd141a992c46290c74929785e261a1cd57bc001b with SHA-1 deae6761 is in history

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

Change-Id: I853068e1d6301fc99466f255e9084a130d122971