wifi: use 1.4 ISupplicant object for 1.4 vts tests

This would ensure that 1.4 vts tests are run with
ISupplicant 1.4 support.

Bug: 194979754
Test: atest VtsHalWifiSupplicantV1_4TargetTest
Change-Id: Ifaa3e1bb27f1df350b83fb7a4c05b6251a7c2d10
diff --git a/wifi/supplicant/1.4/vts/functional/supplicant_sta_network_hidl_test.cpp b/wifi/supplicant/1.4/vts/functional/supplicant_sta_network_hidl_test.cpp
index e3fbaf3..49d471b 100644
--- a/wifi/supplicant/1.4/vts/functional/supplicant_sta_network_hidl_test.cpp
+++ b/wifi/supplicant/1.4/vts/functional/supplicant_sta_network_hidl_test.cpp
@@ -155,5 +155,6 @@
         testing::ValuesIn(
             android::hardware::getAllHalInstanceNames(IWifi::descriptor)),
         testing::ValuesIn(android::hardware::getAllHalInstanceNames(
-            ISupplicant::descriptor))),
+            android::hardware::wifi::supplicant::V1_4::ISupplicant::
+                descriptor))),
     android::hardware::PrintInstanceTupleNameToString<>);