[java] don't abandon driver

Author: titusfortner

java/src/org/openqa/selenium/remote/RemoteWebDriverBuilder.java

@@ -344,6 +344,7 @@ WebDriver getLocalDriver() {
     WebDriver localDriver = first.get().get();
 
     if (localDriver != null && this.useCustomConfig) {
+      localDriver.quit();
       throw new IllegalArgumentException("ClientConfig instances do not work for Local Drivers");
     }