Settings: Adapt edge-to-edge enforcement

Android 15 enables edge-to-edge by default. WI-FI info should do the
adaptation, or not some UIs may be obscured by system bars.

Apply window insets for WifiConfigInfo and WifiStatusTest activity
content layout.

Bug: 340713923
Test: Manaul

Change-Id: Iecaadfa1be55544809b240df9c2097e3b4d053f9

src/com/android/settings/wifi/WifiConfigInfo.java

@@ -37,6 +37,7 @@ public class WifiConfigInfo extends Activity {
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        WifiUtils.setupEdgeToEdge(this);
 
         mWifiManager = (WifiManager) getSystemService(WIFI_SERVICE);
         setContentView(R.layout.wifi_config_info);