CB-9135 fix the vulnerability bug

This closes 181
https://github.com/apache/cordova-android/pull/181

framework/src/org/apache/cordova/CordovaWebView.java

@@ -405,7 +405,7 @@ public class CordovaWebView extends WebView {
         // Create a timeout timer for loadUrl
         final CordovaWebView me = this;
         final int currentLoadUrlTimeout = me.loadUrlTimeout;
-        final int loadUrlTimeoutValue = Integer.parseInt(this.getProperty("LoadUrlTimeoutValue", "20000"));
+        final int loadUrlTimeoutValue = preferences.getInteger("LoadUrlTimeoutValue", 20000);
 
         // Timeout error method
         final Runnable loadError = new Runnable() {
@@ -609,26 +609,6 @@ public class CordovaWebView extends WebView {
         }
     }
 
-    /**
-     * Get string property for activity.
-     *
-     * @param name
-     * @param defaultValue
-     * @return the String value for the named property
-     */
-    public String getProperty(String name, String defaultValue) {
-        Bundle bundle = this.cordova.getActivity().getIntent().getExtras();
-        if (bundle == null) {
-            return defaultValue;
-        }
-        name = name.toLowerCase(Locale.getDefault());
-        Object p = bundle.get(name);
-        if (p == null) {
-            return defaultValue;
-        }
-        return p.toString();
-    }
-
     @Override
     public boolean onKeyDown(int keyCode, KeyEvent event)
     {