message: Fix incorrect call to DFT
diff: @@ -1313,7 +1313,7 @@ export default React.createClass({
  // TODO: Pass reason for failure as third argument to trackEvent
  Analytics.trackEvent('E2E', 'Decryption failure');
  });
  - dft.loadEventTrackedPreviously();
  + dft.loadTrackedEventHashMap();
  const stopDft = dft.start();
  