Check interface version when running the

VTS test for disableEht.

New AIDL methods are not available on
the next configuration.

Bug: 314851431
Test: atest VtsHalWifiSupplicantStaNetworkTargetTest
      # Test runs on the trunk configuration, but
      # gets skipped on the next configuration.
Change-Id: I13bcfa51146e14932a8f377b1590719a683cea4f