YARN-5495. Remove import wildcard in CapacityScheduler. Contributed by Ray Chiang.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java

@@ -92,7 +92,22 @@ import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
 import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeDecreaseContainerEvent;
 import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeResourceUpdateEvent;
 import org.apache.hadoop.yarn.server.resourcemanager.rmnode.UpdatedContainerInfo;
-import org.apache.hadoop.yarn.server.resourcemanager.scheduler.*;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.AbstractYarnScheduler;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.Allocation;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.NodeType;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.PreemptableResourceScheduler;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.Queue;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueInvalidException;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueMetrics;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceLimits;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceUsage;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedContainerChangeRequest;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplication;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerDynamicEditException;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerHealth;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerNode;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerUtils;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.activities.ActivityDiagnosticConstant;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.activities.ActivitiesLogger;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.activities.ActivitiesManager;