Fix import

Author: pujagani

java/src/org/openqa/selenium/grid/commands/EventBusCommand.java

@@ -24,7 +24,11 @@
 import static org.openqa.selenium.remote.http.Contents.asJson;
 
 import com.google.auto.service.AutoService;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
 import java.util.logging.Level;