wifi: Added HAL compatibility check in DPP Responder tests.

To make DPP Responder tests able to run on older
HAL/vendor implementation, added check for vendor api level
newer than Android S.

Bug: 174872559
Bug: 174608103
Test: atest EasyConnectStatusCallbackTest

Change-Id: Ia525267c43e2677a9d3fe8a196416e75afc959c0