Fixing issue due to commit 2b2399d6 after rebase onto trunk.

hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/AzureBlobFileSystem.java

@@ -40,7 +40,7 @@ import org.apache.hadoop.fs.azurebfs.services.AbfsClient;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import org.apache.commons.lang.ArrayUtils;
+import org.apache.commons.lang3.ArrayUtils;
 import org.apache.hadoop.classification.InterfaceStability;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.BlockLocation;