fixes package def indentation

Author: ahmarsuhail

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

@@ -17,7 +17,7 @@
   * under the License.
   */
 
- package org.apache.hadoop.fs.common;
+package org.apache.hadoop.fs.common;
 
 import java.time.Duration;