Follow-up on #1536 (#1549)
* Make RelayStrategy::final_decision() sync Signed-off-by: Serban Iorga <[email protected]> * Move logic from RelayStrategy to RelayReference Signed-off-by: Serban Iorga <[email protected]> * Rename RelayStrategy::final_decision() Signed-off-by: Serban Iorga <[email protected]>