[SPARK-11694][SQL] Add a import manually

Author: HyukjinKwon

sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetIOSuite.scala

@@ -29,7 +29,7 @@ import org.apache.parquet.example.data.{Group, GroupWriter}
 import org.apache.parquet.hadoop._
 import org.apache.parquet.hadoop.api.WriteSupport
 import org.apache.parquet.hadoop.api.WriteSupport.WriteContext
-import org.apache.parquet.hadoop.metadata.CompressionCodecName
+import org.apache.parquet.hadoop.metadata.{CompressionCodecName, FileMetaData}
 import org.apache.parquet.io.api.RecordConsumer
 import org.apache.parquet.schema.{MessageType, MessageTypeParser}