Backport to branch(3) : Add importTable without overrideColumnsType to DecoratedDistributedTransactionAdmin (#2477)

Co-authored-by: Toshihiro Suzuki <[email protected]>

Author: feeblefakie

core/src/main/java/com/scalar/db/common/DecoratedDistributedTransactionAdmin.java

@@ -189,6 +189,12 @@ public void addNewColumnToTable(
         namespace, table, columnName, columnType, encrypted);
   }
 
+  @Override
+  public void importTable(String namespace, String table, Map<String, String> options)
+      throws ExecutionException {
+    distributedTransactionAdmin.importTable(namespace, table, options);
+  }
+
   @Override
   public void importTable(
       String namespace,