Move VpnTransportInfoTest to common test to add the cts
coverage.
Annotate @ConnectivityModuleTest so that the test will
not fail with module that is not up-to-date, and use
assertParcelingIsLossless to prevent similar order module
in device case.
Bug: 256775913
Test: atest CtsNetTestCases:android.net.VpnTransportInfoTest
Change-Id: I1c40a4fc42468748d71c3df5c18b2ceb5b3769e1
91bac1953c