hg: valhalla/valhalla/jdk: Add support for distinct() pipeline op (ref only for now)

[brian.goetz at oracle.com]

Changeset: 50c0b91568ed
Author:    briangoetz
Date:      2015-07-09 17:48 -0400
URL:       http://hg.openjdk.java.net/valhalla/valhalla/jdk/rev/50c0b91568ed

Add support for distinct() pipeline op (ref only for now)

! src/java.base/share/classes/java/anyutil/stream/Pipeline.java
! test/valhalla/test/valhalla/anyutil/SimplePipelineTest.java