HBASE-28957. Build + spotless fix

Author: anmolnar

hbase-backup/src/main/java/org/apache/hadoop/hbase/backup/impl/FullTableBackupClient.java

@@ -32,6 +32,7 @@
 
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.UUID;

hbase-backup/src/main/java/org/apache/hadoop/hbase/backup/impl/IncrementalTableBackupClient.java

@@ -51,8 +51,8 @@
 import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;
 import org.apache.hadoop.hbase.client.Connection;
 import org.apache.hadoop.hbase.io.hfile.HFile;
-import org.apache.hadoop.hbase.mapreduce.WALInputFormat;
 import org.apache.hadoop.hbase.mapreduce.HFileOutputFormat2;
+import org.apache.hadoop.hbase.mapreduce.WALInputFormat;
 import org.apache.hadoop.hbase.mapreduce.WALPlayer;
 import org.apache.hadoop.hbase.snapshot.SnapshotDescriptionUtils;
 import org.apache.hadoop.hbase.snapshot.SnapshotManifest;

hbase-backup/src/test/java/org/apache/hadoop/hbase/backup/TestBackupBase.java

@@ -28,6 +28,7 @@
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;