Reads hunt flows states and timestamps.

def ReadHuntFlowsStatesAndTimestamps(self, hunt_id):
    """Reads hunt flows states and timestamps."""

    result = []
    for f in self._GetHuntFlows(hunt_id):
      result.append(
          db.FlowStateAndTimestamps(
              flow_state=f.flow_state,
              create_time=f.create_time,
              last_update_time=f.last_update_time))

    return result