Add more VTS tests for ISupplicantNetwork

This covers the following APIs by adding tests to
ISupplicantStaNetwork:
ISupplicantStaNetwork::setPsk(),
ISupplicantStaNetwork::getPsk(),
ISupplicantStaNetwork::setEapSubjectMatch(),
ISupplicantStaNetwork::getEapSubjectMatch(),
ISupplicantStaNetwork::setUpdateIdentifier,
ISupplicantStaNetwork::SetProactiveKeyCaching
ISupplicantStaNetwork::SendNetworkEapSimUmtsAutsResponse,
ISupplicantStaNetwork::SendNetworkEapSimGsmAuthFailure,
ISupplicantStaNetwork::SendNetworkEapSimUmtsAuthFailure,
ISupplicantStaNetwork::GetWpsNfcConfigurationToken

Bug: 33457575
Test: VTS tests pass

Change-Id: I7d990471aadc46e7d553f2179d6d234530cb1df6