Add mExtra['pageStatus'] to RC object

RecentChange::save expects this key to be set.

Change-Id: I691c9489e739788dd0ba1bc61a47e0d9c8d83200
Execute deferred updates in tests

Meanwhile also throwing exceptions in NotificationListener.
I'd rather have exceptions we can catch, than notices.

Change-Id: I6e146245d385268a0fc5cc826a623910eb1f07de
Merge changes I6e146245,I691c9489

* changes:
  Execute deferred updates in tests
  Add mExtra['pageStatus'] to RC object