[11u] Incomplete backport: JDK-8209499

[Aleksey Shipilev]

Hi again,

See:
  https://bugs.openjdk.java.net/browse/JDK-8209499

Compare:
  https://hg.openjdk.java.net/jdk/jdk/rev/e851c8ca30a7
  https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/111a1a8bbbd4

Again, new files are missing.

I think this is why new test times out in 11u:
 $ make run-test TEST=sanity/client/SwingSet/src/EditorPaneDemoTest.java

If I copy the missing files, it starts to pass.

-- 
Thanks,
-Aleksey