Remove usage of internal APIs from InetAddress and ServerSocket

It affects the test only.

Bug: 154796679
Test: atest CtsNetTestCases
Merged-In: I77a419c459ee53b36d24f324ecab2b5dae5744de
Change-Id: I77a419c459ee53b36d24f324ecab2b5dae5744de
(cherry picked from commit ef88fadc2ed24eaaeb43024428f5979d561acf4e)
2 files changed