Bug 1442545: Propogate shipping-product/phase in signing; r=Callek

Differential Revision: https://phabricator.services.mozilla.com/D975

--HG--
extra : rebase_source : b45aee03fc2a3416e44e4c8dbd2adaa495fe0bab
extra : histedit_source : 0183e8fa43bd1ccbb4aefeb0ffa2192b549aaa1c

taskcluster/taskgraph/transforms/signing.py

@@ -155,6 +155,8 @@ def make_task_description(config, jobs):
             'optimization': dep_job.optimization,
             'treeherder': treeherder,
             'routes': job.get('routes', []),
+            'shipping-product': job.get('shipping-product'),
+            'shipping-phase': job.get('shipping-phase'),
         }
 
         yield task