hg: jdk/jdk: 8191429: List.sort should specify the sort is stable

[paul.sandoz at oracle.com]

Changeset: 0545aafc7136
Author:    psandoz
Date:      2017-11-17 09:29 -0800
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/0545aafc7136

8191429: List.sort should specify the sort is stable
Reviewed-by: smarks

! src/java.base/share/classes/java/util/List.java