Display expected outputs in legacy task view

appengine/swarming/templates/user_task.html

Index: appengine/swarming/templates/user_task.html
diff --git a/appengine/swarming/templates/user_task.html b/appengine/swarming/templates/user_task.html
index 1848f42ab6d3931d7419c1a601f4ffe4636e77aa..7ddbd7061b77bc371fb07a94f2fd0215811c4b82 100644
--- a/appengine/swarming/templates/user_task.html
+++ b/appengine/swarming/templates/user_task.html
@@ -296,6 +296,14 @@
               {{request.properties.extra_args|join(' ')}}<br>
             </td>
           </tr>
+          <tr title="Expected output files">
+            <td>Expected outputs</td>
+            <td>
+                {% for output in request.properties.outputs %}

[M-A Ruel, 2016/11/01 13:35:21]

Note that this could be None, in this case this will likely crash (?) Test by
viewing an old task created without this schema.

+                {{output}}<br/>
+                {% endfor %}
+            </td>
+          </tr>
         {% else %}
           {# Raw command #}
           <tr title="Actual command executed by the bot.">