Move IpUtils to frameworks/libs/net

The utility classes are useful for mainline modules and their tests, for
example IpClientIntegrationTest.

Bug: 168868607
Test: m && atest NetworkStaticLibTests
Change-Id: If2b1613aa18a7990391e2d31cc2951ca93f1cf3c
1 file changed
tree: 7b0fc691b97cda6b387ef5fddc67622c24740be8
  1. framework/
  2. OsuLogin/
  3. OWNERS