hg: jdk9/sandbox/jdk: 8170943: Collectors.partitioningBy should specify that false and true entries are always present

[chris.hegarty at oracle.com]

Changeset: 9053a53d3919
Author:    smarks
Date:      2016-12-13 17:45 -0800
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/9053a53d3919

8170943: Collectors.partitioningBy should specify that false and true entries are always present
Reviewed-by: psandoz

! src/java.base/share/classes/java/util/stream/Collectors.java