Fixed the waitForLoader method.

The reason we need a separate latch is that
AsyncTask will post onPostExecute/onCancelled
_after_ executing mFuture.get().  The previous
implementation would only wait for mFuture.get()
to complete and not the entire task.

Change-Id: I96964591980965148eb09af38b5838bfa5d28277
1 file changed