RFR [8u]: Pick up 8u222-b05 to sh/jdk8

[Aleksey Shipilev]

Need to pick up 8u222-b05 for stabilization.

Changesets:
  http://cr.openjdk.java.net/~shade/shenandoah/merges/jdk8-8u222-b05/changesets.txt

Hotspot merge changeset:
  http://cr.openjdk.java.net/~shade/shenandoah/merges/jdk8-8u222-b05/hotspot.changeset

Testing: hotspot_gc_shenandoah {fastdebug|release}

-- 
Thanks,
-Aleksey