Merge pull request #550 from jhnj/johan/scala-import-return-defaultinfo

Add DefaultInfo provider to outputs of scala_import

Author: johnynek

scala/scala_import.bzl

@@ -22,7 +22,10 @@ def _scala_import_impl(ctx):
                     ),
       jars_to_labels = jars2labels,
       providers = [
-          _create_provider(current_jars, transitive_runtime_jars, jars, exports)
+          _create_provider(current_jars, transitive_runtime_jars, jars,
+                           exports),
+          DefaultInfo(files = current_jars,
+                     ),
       ],
   )