wifi: fix old vts tests on newer HAL

Older registerCallback is not deprecated until V1.4 HAL correctly.
As a result, their returning codes are still SUCCESS.

Bug: 173570755
Test: atest VtsHalWifiSupplicantV1_0TargetTest \
            VtsHalWifiSupplicantV1_1TargetTest \
            VtsHalWifiSupplicantV1_2TargetTest
Change-Id: Ib23821d64f53c144d74818fa3ed9aca06cd25a27
diff --git a/wifi/supplicant/1.2/vts/functional/Android.bp b/wifi/supplicant/1.2/vts/functional/Android.bp
index c23585a..2592a2b 100644
--- a/wifi/supplicant/1.2/vts/functional/Android.bp
+++ b/wifi/supplicant/1.2/vts/functional/Android.bp
@@ -51,6 +51,7 @@
         "android.hardware.wifi.supplicant@1.1",
         "android.hardware.wifi.supplicant@1.2",
         "android.hardware.wifi.supplicant@1.3",
+        "android.hardware.wifi.supplicant@1.4",
         "android.hardware.wifi@1.0",
         "android.hardware.wifi@1.1",
         "libgmock",
diff --git a/wifi/supplicant/1.2/vts/functional/supplicant_sta_iface_hidl_test.cpp b/wifi/supplicant/1.2/vts/functional/supplicant_sta_iface_hidl_test.cpp
index 7799390..7f81206 100644
--- a/wifi/supplicant/1.2/vts/functional/supplicant_sta_iface_hidl_test.cpp
+++ b/wifi/supplicant/1.2/vts/functional/supplicant_sta_iface_hidl_test.cpp
@@ -25,6 +25,7 @@
 #include <android/hardware/wifi/supplicant/1.2/types.h>
 #include <android/hardware/wifi/supplicant/1.3/ISupplicantStaIface.h>
 #include <android/hardware/wifi/supplicant/1.3/types.h>
+#include <android/hardware/wifi/supplicant/1.4/ISupplicantStaIface.h>
 #include <hidl/GtestPrinter.h>
 #include <hidl/HidlSupport.h>
 #include <hidl/ServiceManagement.h>
@@ -63,6 +64,8 @@
 
         v1_3 = ::android::hardware::wifi::supplicant::V1_3::
             ISupplicantStaIface::castFrom(sta_iface_);
+        v1_4 = ::android::hardware::wifi::supplicant::V1_4::
+            ISupplicantStaIface::castFrom(sta_iface_);
     }
 
     enum DppCallbackType {
@@ -106,6 +109,7 @@
     // ISupplicantStaIface object used for all tests in this fixture.
     sp<ISupplicantStaIface> sta_iface_;
     sp<::android::hardware::wifi::supplicant::V1_3::ISupplicantStaIface> v1_3;
+    sp<::android::hardware::wifi::supplicant::V1_4::ISupplicantStaIface> v1_4;
 
     bool isDppSupported() {
         uint32_t keyMgmtMask = 0;
@@ -266,8 +270,9 @@
  * RegisterCallback_1_2
  */
 TEST_P(SupplicantStaIfaceHidlTest, RegisterCallback_1_2) {
+    // This API is deprecated from v1.4 HAL.
     SupplicantStatusCode expectedCode =
-        (nullptr != v1_3) ? SupplicantStatusCode::FAILURE_UNKNOWN
+        (nullptr != v1_4) ? SupplicantStatusCode::FAILURE_UNKNOWN
                           : SupplicantStatusCode::SUCCESS;
     sta_iface_->registerCallback_1_2(new IfaceCallback(),
                                      [&](const SupplicantStatus& status) {