[java] Allow origin of [::1] for geckodriver for IPv6 only systems

Author: pujagani

java/src/org/openqa/selenium/firefox/GeckoDriverService.java

@@ -193,6 +193,7 @@ protected List<String> createArgs() {
       args.add("--allow-origins");
       args.add(String.format("http://127.0.0.1:%d", wsPort));
       args.add(String.format("http://localhost:%d", wsPort));
+      args.add(String.format("http://[::1]:%d", wsPort));
       if (firefoxBinary != null) {
         args.add("-b");
         args.add(firefoxBinary.getPath());