RFC/RFR: Pick up 11.0.4+9 to sh/jdk11

[Roman Kennke]

Yes! Thanks!
Roman

> Updates projects published the pre-final tag for 11.0.4, in preparation for going dark for CPU work.
> We need to pick that up into our integration repo. I will tag it shenandoah-jdk-11.0.4+9 immediately.
> 
> Webrev:
>   https://cr.openjdk.java.net/~shade/shenandoah/merges/jdk11-11.0.4%2b9/webrev.01/
> 
> Changesets:
>   https://cr.openjdk.java.net/~shade/shenandoah/merges/jdk11-11.0.4%2b9/changesets.txt
> 
> Testing: hotspot_gc_shenandoah {fastdebug|release}
>