Use random available port in CTS tests.

Let the OS pick a random unused port so that the test never gets
EADDRINUSE.

Bug: 68657805
Test: Run tests in android.net.cts.IpSecManagerTest
Change-Id: I7f6c68f3c92f5cbed856eda52adcdffb8adc4734
1 file changed
tree: 31ee8aeb9868603aeda936c34ade3cf8d15d1891
  1. tests/