hg: jdk9/sandbox/jdk: Updates for structurally immutable and value-based descriptions.

[stuart.marks at oracle.com]

Changeset: 8d729f747da9
Author:    smarks
Date:      2015-12-03 16:24 -0800
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/8d729f747da9

Updates for structurally immutable and value-based descriptions.

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