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
Change-Id: I2b3dcf2e238be047147232769602df56894dc6b1
5 files changed
tree: 911c0f7981e6be1fea4c9c02cc20b2d43fafb586
  1. staticlibs/