[11] RFC: Pick up jdk-11.0.7+8 to sh/jdk11

[Zhengyu Gu]

Good to me.

-Zhengyu

On 3/18/20 8:52 AM, Aleksey Shipilev wrote:
> Weekly pickup of 11.0.7 to sh/jdk11.
> 
> Changesets:
>    https://cr.openjdk.java.net/~shade/shenandoah/merges/jdk11-11.0.7%2b7/changesets.txt
> 
> Testing: hotspot_gc_shenandoah {fastdebug,release}
>