message: [spec][consensus] update suggested timeout value
  Closes:
  Approved by: davidiw
diff: @@ -913,6 +913,10 @@ fn new(sync_info: SyncInfo) -> RoundState {
  * enter new round with quorum/timeout certificates
  * calculate timeout value as exponential of unhappy round gap
  * start timer to signal a local timeout of `round` after `timeout`
  +* `timeout` should be reasonably large considering network latency and execution time, suggested value
  + * BASE_INTERVAL = 1 sec
  + * EXPONENT_BASE = 1.2
  + * MAX_EXPONENT = 6
  #### EpochState
  