Move Inet[4]AddressUtils to libs/net

The classes should not be picked up from frameworks/base, as they are
part of several mainline modules.

Bug: 151052811
Test: m; manual: flashed, wifi and telephony working
Test: atest NetworkStackCoverageTests
(clean cherry-pick from internal branch)
Merged-In: I2b3dcf2e238be047147232769602df56894dc6b1

Change-Id: I2b3dcf2e238be047147232769602df56894dc6b1
5 files changed
tree: 545f5d93134d16d92c97fcd96ff331251ede8f23
  1. .gitignore
  2. PREUPLOAD.cfg
  3. common/