Merge changes Ic1e9108b,Ic5ec5093,Idef159d1,Icee57032

* changes:
  OpenJDK 11: Merging in j.u.c.atomic.Atomic*Array
  OpenJDK 11: Merging in java.util.concurrent.atomic.AtomicReference
  OpenJDK 11: Merging in java.util.concurrent.atomic.AtomicBoolean
  OpenJDK 11: Merging in java.util.concurrent.atomic.AtomicLong