Docserver: Add TODO for implementing scheduled availability at the object level

NOTRY=True

Review URL: https://codereview.chromium.org/407613002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@284160 0039d316-1c4b-4281-b951-d872f2087c98

chrome/common/extensions/docs/server2/availability_finder.py

@@ -378,5 +378,9 @@ class AvailabilityFinder(object):
         self.GetAPIAvailability(api_name).channel_info,
         update_availability_graph)
 
+    # TODO(ahernandez): There are currently no API nodes that have a
+    # scheduled availability. https://codereview.chromium.org/400833002/
+    # should be implemented when there is a need to determine scheduled
+    # availability at the object level.
     self._node_level_object_store.Set(api_name, availability_graph)
     return availability_graph