Proxy selection was using old logic when url resulted in 302

Author: Federico Fissore

Diff for: arduino-core/src/cc/arduino/utils/network/FileDownloader.java

@@ -145,7 +145,7 @@ public void download() throws InterruptedException {
       if (resp == HttpURLConnection.HTTP_MOVED_PERM || resp == HttpURLConnection.HTTP_MOVED_TEMP) {
         URL newUrl = new URL(connection.getHeaderField("Location"));
 
-        proxy = ProxySelector.getDefault().select(newUrl.toURI()).get(0);
+        proxy = new CustomProxySelector(PreferencesData.getMap()).getProxyFor(newUrl.toURI());
 
         // open the new connnection again
         connection = (HttpURLConnection) newUrl.openConnection(proxy);