[HUDI-482] Fix missing @Override annotation on methods (#1156)

* [HUDI-482] Fix missing @Override annotation on methods

hudi-cli/src/main/java/org/apache/hudi/cli/HoodieHistoryFileNameProvider.java

@@ -30,6 +30,7 @@ import org.springframework.stereotype.Component;
 @Order(Ordered.HIGHEST_PRECEDENCE)
 public class HoodieHistoryFileNameProvider extends DefaultHistoryFileNameProvider {
 
+  @Override
   public String getHistoryFileName() {
     return "hoodie-cmd.log";
   }

hudi-cli/src/main/java/org/apache/hudi/cli/HoodieSplashScreen.java

@@ -50,14 +50,17 @@ public class HoodieSplashScreen extends DefaultBannerProvider {
       + "*                                                                 *" + OsUtils.LINE_SEPARATOR
       + "===================================================================" + OsUtils.LINE_SEPARATOR;
 
+  @Override
   public String getBanner() {
     return screen;
   }
 
+  @Override
   public String getVersion() {
     return "1.0";
   }
 
+  @Override
   public String getWelcomeMessage() {
     return "Welcome to Apache Hudi CLI. Please type help if you are looking for help. ";
   }