wifi: add VTS tests for IWifiStaIface

This will cover all APIs except:
- startBackgroundScan
- stopBackgroundScan
- startSendingKeepAlivePackets
- stopSendingKeepAlivePackets

Bug: 32022435
Bug: 36813739
Test: run VtsHalWifiV1_0Target test
Change-Id: I71a1a97e4b0f1145657b249f3eb20305f810962b
1 file changed