YARN-11305. Fix CheckStyle.

Author: slfan1989

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/logaggregation/TestLogAggregationService.java

@@ -202,7 +202,7 @@ public void tearDown() throws IOException, InterruptedException {
   }
 
   private void verifyLocalFileDeletion(
-      LogAggregationService logAggregationService,Long clusterTimeStamp) throws Exception {
+      LogAggregationService logAggregationService, Long clusterTimeStamp) throws Exception {
     logAggregationService.init(this.conf);
     logAggregationService.start();