RFR (S) 8243464: Shenandoah: print statistic counters in time order

[Roman Kennke]

Yes, this is much clearer.

Thanks,
Roman

> RFE:
>   https://bugs.openjdk.java.net/browse/JDK-8243464
> 
> Currently, the gc+stats counters table is printed pauses-first, then all concurrent phases. It is
> inconvenient to track the entire cycle, and should probably be reshuffled to match the time ordering
> of phases. This would become handy for per-cycle statistics printouts.
> 
> Fix:
>   https://cr.openjdk.java.net/~shade/8243464/wevrev.01/
> 
> Testing: hotspot_gc_shenandoah, eyeballing logs
>