Merge "Move Inet[4]AddressUtils to libs/net" into rvc-dev am: 3e635f3a43 am: 619a534aa7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/libs/net/+/11786998

Change-Id: Idb34032554efa2dea2689af31f401ec34097febf
tree: 726b0120e3afc5b759091dea802c6ff6955fe21b
  1. common/
  2. .gitignore
  3. PREUPLOAD.cfg