code: def Clear(self):
      
      headers = {'Content-length': '0'}
      response, _ = self._http.request('%s/reset' % self._host, method='POST',
                                       headers=headers)
      if response.status == 200:
        return True
      else:
        logging.warning('failed to clear emulator; response was: %s', response)
docs: Clears all data from the emulator instance.
  
      Returns:
        True if the data was successfully cleared, False otherwise.