hg: jdk/sandbox: 8205641: Make java/nio/channels/Selector/RacyDeregister.java noisier and flush after prints

[chris.hegarty at oracle.com]

Changeset: 0ab1cac936b8
Author:    bpb
Date:      2018-06-26 09:33 -0700
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/0ab1cac936b8

8205641: Make java/nio/channels/Selector/RacyDeregister.java noisier and flush after prints
Reviewed-by: alanb

! test/jdk/java/nio/channels/Selector/RacyDeregister.java