Add SocketUtils CTS tests

Test APIs below:
makeNetlinkSocketAddress(int, int)
makePacketSocketAddress(short, int)
makePacketSocketAddress(int, byte[])
closeSocket(java.io.FileDescriptor)

Bug:129200596
Test: atest FrameworksNetTests
      atest CtsNetTestCases --instant
Merged-In: I36252fdf516cf4a9d4506b615cdb38f5413739e5
(cherry picked from commit 6b16c42b644a2f4506da52bc01a313c10eff296c)

Change-Id: I0963acaf00c5bdd93db0503c426f190f409ca076
1 file changed
tree: b336514927f9376471a221a5d3bef69c1f60d127
  1. core/
  2. services/
  3. tests/