hg: jdk/sandbox: 8208280: java/nio/channels/Selector/RegisterDuringSelect.java fails with "key not removed from key set"

[chris.hegarty at oracle.com]

Changeset: dbb0e798deeb
Author:    mli
Date:      2018-08-31 10:00 +0800
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/dbb0e798deeb

8208280: java/nio/channels/Selector/RegisterDuringSelect.java fails with "key not removed from key set"
Reviewed-by: alanb

! test/jdk/java/nio/channels/Selector/RegisterDuringSelect.java
! test/jdk/java/nio/channels/Selector/SelectAndClose.java
+ test/jdk/java/nio/channels/Selector/SelectorUtils.java