[automerger skipped] Revert "Revert "Move Inet[4]AddressUtils to libs/net"" am: be00709344 am: 62a694f865 -s ours

am skip reason: Change-Id Icd141a992c46290c74929785e261a1cd57bc001b with SHA-1 deae676127 is in history

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

Change-Id: I5b15fde5cb76d1dc178a3cb2b1597e0c27aa7af2