Bug 1328719: Add extra details to help Chain-of-Trust rebuild the decision task.

--HG--
extra : rebase_source : 5326ee11f7bd45a0482ce2f97597e554cc75c01a

.taskcluster.yml

@@ -109,7 +109,7 @@ tasks:
                 COMM_COMMIT_MSG: '${push.comment}'
             - $if: 'tasks_for == "action"'
               then:
-                ACTION_TASK_GROUP_ID: '${action.taskGroupId}'
+                ACTION_TASK_GROUP_ID: '${ownTaskId}'
                 ACTION_TASK_ID: {$json: {$eval: 'taskId'}}
                 ACTION_TASK: {$json: {$eval: 'task'}}
                 ACTION_INPUT: {$json: {$eval: 'input'}}
@@ -205,3 +205,7 @@ tasks:
                   taskId: {$eval: 'taskId'}
                   input: {$eval: 'input'}
                   parameters: {$eval: 'parameters'}
+          - $if: 'tasks_for == "cron"'
+            then:
+              cron: {$json: {$eval: 'cron'}}
+          - tasks_for: '${tasks_for}'