RFC/RFR: Pick up jdk-11.0.3+2 to sh/jdk11

[Roman Kennke]

Good! Do it!

Roman

> Another minor tag update from jdk-updates/jdk11u, now it is jdk-11.0.3+3. Merge is trivial.
> 
> Summary of changes:
>   http://cr.openjdk.java.net/~shade/shenandoah/merges/jdk11-11.0.3%2b3/changesets.txt
> 
> Webrev:
>   http://cr.openjdk.java.net/~shade/shenandoah/merges/jdk11-11.0.3%2b3/webrev/
> 
> As usual, the plan is to push this merge, run it through the nightlies and then tag it
> shenandoah-jdk-11.0.3+3.
> 
> Testing: hotspot_gc_shenandoah {fastdebug,release}
> 
> -Aleksey
>