[HUDI-431] Adding support for Parquet in MOR LogBlocks (#4333)

- Adding support for Parquet in MOR tables Log blocks

Co-authored-by: Sivabalan Narayanan <n.siva.b@gmail.com>

hudi-client/hudi-client-common/src/test/java/org/apache/hudi/testutils/HoodieWriteableTestTable.java

@@ -182,7 +182,7 @@ public class HoodieWriteableTestTable extends HoodieMetadataTestTable {
           LOG.warn("Failed to convert record " + r.toString(), e);
           return null;
         }
-      }).collect(Collectors.toList()), header));
+      }).collect(Collectors.toList()), header, HoodieRecord.RECORD_KEY_METADATA_FIELD));
       return Pair.of(partitionPath, logWriter.getLogFile());
     }
   }