wifi: Update Supplicant HAL to V4

Bug: 348669010
Test: TH Presubmit tests
Test: Manual - Basic Wi-Fi STA connect/disconnect tests.
Test: atest VtsHalWifiSupplicantStaIfaceTargetTest \
      VtsHalWifiSupplicantStaNetworkTargetTest \
      VtsHalWifiSupplicantP2pIfaceTargetTest
Change-Id: I3daa663b6ed01ce0afb7f02c6b2aaef3d11851e8
diff --git a/compatibility_matrices/compatibility_matrix.202504.xml b/compatibility_matrices/compatibility_matrix.202504.xml
index ed45c1b..22746e3 100644
--- a/compatibility_matrices/compatibility_matrix.202504.xml
+++ b/compatibility_matrices/compatibility_matrix.202504.xml
@@ -670,7 +670,7 @@
     </hal>
     <hal format="aidl">
         <name>android.hardware.wifi.supplicant</name>
-        <version>2-3</version>
+        <version>3-4</version>
         <interface>
             <name>ISupplicant</name>
             <instance>default</instance>
diff --git a/wifi/supplicant/aidl/Android.bp b/wifi/supplicant/aidl/Android.bp
index b7242ed..8d16cb7 100644
--- a/wifi/supplicant/aidl/Android.bp
+++ b/wifi/supplicant/aidl/Android.bp
@@ -71,5 +71,5 @@
         },
 
     ],
-    frozen: true,
+    frozen: false,
 }
diff --git a/wifi/supplicant/aidl/vts/functional/Android.bp b/wifi/supplicant/aidl/vts/functional/Android.bp
index 4166850..4ffec3f 100644
--- a/wifi/supplicant/aidl/vts/functional/Android.bp
+++ b/wifi/supplicant/aidl/vts/functional/Android.bp
@@ -46,7 +46,7 @@
         "android.hardware.wifi.common-V1-ndk",
         "android.hardware.wifi.supplicant@1.0",
         "android.hardware.wifi.supplicant@1.1",
-        "android.hardware.wifi.supplicant-V3-ndk",
+        "android.hardware.wifi.supplicant-V4-ndk",
         "libwifi-system",
         "libwifi-system-iface",
         "VtsHalWifiV1_0TargetTestUtil",
@@ -84,7 +84,7 @@
         "android.hardware.wifi.common-V1-ndk",
         "android.hardware.wifi.supplicant@1.0",
         "android.hardware.wifi.supplicant@1.1",
-        "android.hardware.wifi.supplicant-V3-ndk",
+        "android.hardware.wifi.supplicant-V4-ndk",
         "libwifi-system",
         "libwifi-system-iface",
         "VtsHalWifiV1_0TargetTestUtil",
@@ -122,7 +122,7 @@
         "android.hardware.wifi.common-V1-ndk",
         "android.hardware.wifi.supplicant@1.0",
         "android.hardware.wifi.supplicant@1.1",
-        "android.hardware.wifi.supplicant-V3-ndk",
+        "android.hardware.wifi.supplicant-V4-ndk",
         "libwifi-system",
         "libwifi-system-iface",
         "VtsHalWifiV1_0TargetTestUtil",