[Telemetry] Expose disable_stories in StoryExpectations api.

telemetry/telemetry/story/expectations.py

Index: telemetry/telemetry/story/expectations.py
diff --git a/telemetry/telemetry/story/expectations.py b/telemetry/telemetry/story/expectations.py
index 4f948d6976038feb39ea823993e674c5f91768a4..3c8be96423bbf8d201748f8741c8073d8050cbc0 100644
--- a/telemetry/telemetry/story/expectations.py
+++ b/telemetry/telemetry/story/expectations.py
@@ -24,6 +24,10 @@ class StoryExpectations(object):
     self.SetExpectations()
     self._Freeze()
 
+  @property
+  def disabled_stories(self):

[nednguyen, 2017/09/07 21:43:21]

the name here "disabled_stories" but then this returns "_expectations". Can you
think of better naming for the method? Also this needs documentation to explain
the data type of the return value.

[rnephew (Reviews Here), 2017/09/11 17:31:55]

Switched to calling it AsDict() as recomended by Juan in
https://chromium-review.googlesource.com/c/chromium/src/+/655361

+    return self._expectations
+
   def GetBrokenExpectations(self, story_set):
     story_set_story_names = [s.name for s in story_set.stories]
     invalid_story_names = []