RFR(T): 8230327: Make G1DirtyCardQueueSet free-id init unconditional

[Kim Barrett]

> On Aug 30, 2019, at 1:20 PM, Leo Korinth <leo.korinth at oracle.com> wrote:
> 
> Still looks good!
> 
> Thanks,
> Leo
> 
>> New webrevs:
>> full: http://cr.openjdk.java.net/~kbarrett/8230327/open.01/
>> incr: http://cr.openjdk.java.net/~kbarrett/8230327/open.01.inc/

Thanks.