RFC: Pick up jdk-11.0.5+7 to sh/jdk11

[Roman Kennke]

Good!

Thanks,
Roman


> 11.0.5 is stabilizing for release. Let's pick up 11.0.5+7 published today.
> 
> The merge to sh/jdk11 is trivial. I would tag the merge as shenandoah-jdk-11.0.5+7 right away.
> 
> Changeset list:
>   https://cr.openjdk.java.net/~shade/shenandoah/merges/jdk11-11.0.5%2b7/changesets.txt
> 
> Testing: hotspot_gc_shenandoah {fastdebug,release}
>