fixes formatting errors

Author: ahmarsuhail

hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/common/EmptyPrefetchingStatistics.java

@@ -37,38 +37,38 @@ public static EmptyPrefetchingStatistics getInstance() {
      return EMPTY_PREFETCHING_STATISTICS;
    }
 
-  @Override
-  public DurationTracker prefetchOperationStarted() {
-    return stubDurationTracker();
-  }
+   @Override
+   public DurationTracker prefetchOperationStarted() {
+     return stubDurationTracker();
+   }
 
-  @Override
-  public void blockAddedToFileCache() {
+   @Override
+   public void blockAddedToFileCache() {
 
-  }
+   }
 
-  @Override
-  public void blockRemovedFromFileCache() {
+   @Override
+   public void blockRemovedFromFileCache() {
 
-  }
+   }
 
-  @Override
-  public void prefetchOperationCompleted() {
+   @Override
+   public void prefetchOperationCompleted() {
 
-  }
+   }
 
-  @Override
-  public void executorAcquired(Duration timeInQueue) {
+   @Override
+   public void executorAcquired(Duration timeInQueue) {
 
-  }
+   }
 
-  @Override
-  public void memoryAllocated(int size) {
+   @Override
+   public void memoryAllocated(int size) {
 
-  }
+   }
 
-  @Override
-  public void memoryFreed(int size) {
+   @Override
+   public void memoryFreed(int size) {
 
-  }
-}
+   }
+ }

hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/read/Fakes.java

@@ -39,7 +39,6 @@
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.common.BlockCache;
 import org.apache.hadoop.fs.common.BlockData;
-import org.apache.hadoop.fs.common.EmptyPrefetchingStatistics;
 import org.apache.hadoop.fs.common.ExecutorServiceFuturePool;
 import org.apache.hadoop.fs.common.SingleFilePerBlockCache;
 import org.apache.hadoop.fs.common.Validate;
@@ -50,7 +49,6 @@
 import org.apache.hadoop.fs.s3a.S3AInputStream;
 import org.apache.hadoop.fs.s3a.S3AReadOpContext;
 import org.apache.hadoop.fs.s3a.S3ObjectAttributes;
-import org.apache.hadoop.fs.s3a.audit.impl.NoopSpan;
 import org.apache.hadoop.fs.s3a.impl.ChangeDetectionPolicy;
 import org.apache.hadoop.fs.s3a.impl.ChangeTracker;
 import org.apache.hadoop.fs.s3a.statistics.S3AInputStreamStatistics;