Fix galaxy import command for 2.1 (#17417)

The g_connect decorator is required on create_import_task or else
self.baseurl is None. This is fixed in devel already.

lib/ansible/galaxy/api.py

@@ -127,6 +127,7 @@ class GalaxyAPI(object):
         data = json.load(resp)
         return data
 
+    @g_connect
     def create_import_task(self, github_user, github_repo, reference=None):
         """
         Post an import request