Fix base class of WifiHidlEnvironment_1_2

WifiHidlEnvironment_1_2 inherits WifiHidlEnvironment so that it stops
Wifi before every test.

Test: run vts -m VtsHalWifiV1_2Target
Bug: 112058501
Change-Id: I73c50351fa486f2ae7749e43a060ff05672c0f65
diff --git a/wifi/1.2/vts/functional/VtsHalWifiV1_2TargetTest.cpp b/wifi/1.2/vts/functional/VtsHalWifiV1_2TargetTest.cpp
index cfad208..c765cdc 100644
--- a/wifi/1.2/vts/functional/VtsHalWifiV1_2TargetTest.cpp
+++ b/wifi/1.2/vts/functional/VtsHalWifiV1_2TargetTest.cpp
@@ -17,14 +17,12 @@
 #include <android-base/logging.h>
 #include <android/hardware/wifi/1.2/IWifi.h>
 
-#include <VtsHalHidlTargetTestEnvBase.h>
-
 #include "wifi_hidl_test_utils.h"
 
 using ::android::hardware::wifi::V1_2::IWifi;
 
 // Test environment for Wifi HIDL HAL.
-class WifiHidlEnvironment_1_2 : public ::testing::VtsHalHidlTargetTestEnvBase {
+class WifiHidlEnvironment_1_2 : public WifiHidlEnvironment {
    public:
     // get the test environment singleton
     static WifiHidlEnvironment_1_2* Instance() {