HBASE-22749 fix missing import for TestBulkLoadReplication

Author: busbey

hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestBulkLoadReplication.java

@@ -58,7 +58,7 @@
 import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;
 import org.apache.hadoop.hbase.coprocessor.RegionObserver;
 import org.apache.hadoop.hbase.io.hfile.HFile;
-import org.apache.hadoop.hbase.io.hfile.HFileContext;
+import org.apache.hadoop.hbase.io.hfile.HFileContextBuilder;
 import org.apache.hadoop.hbase.replication.ReplicationPeerConfig;
 import org.apache.hadoop.hbase.replication.TestReplicationBase;
 import org.apache.hadoop.hbase.testclassification.MediumTests;