Bug 1085505 part2: Add "create" and "deadline" fields in the template r=lightsofapollo,garndt.

These fields are required for b2gtest tasks.

--HG--
extra : rebase_source : 734dab363d4c048de6b6dc93cf4578d459ce0472
extra : source : 5795ad643e02278b7091b3518715f30d0c792616

testing/taskcluster/tasks/tests/b2g_mochitest.yml

@@ -1,5 +1,7 @@
 ---
 task:
+  created: '{{now}}'
+  deadline: '{{#from_now}}24 hours{{/from_now}}'
   metadata:
     source: http://todo.com/soon
     owner: {{owner}}