hg: valhalla/valhalla/jdk: Be less optimistic as to how threads will actually do any work

[david.simms at oracle.com]

Changeset: 76464abf8c6e
Author:    dsimms
Date:      2016-03-17 12:59 +0100
URL:       http://hg.openjdk.java.net/valhalla/valhalla/jdk/rev/76464abf8c6e

Be less optimistic as to how threads will actually do any work

! test/valhalla/test/valhalla/anyutil/SimplePipelineTest.java