hg: lambda/lambda/jdk: Fix characteristic for list and set, also ensure unmodified collection is used

[henry.jen at oracle.com]

Changeset: c2f306653cd1
Author:    henryjen
Date:      2013-03-15 19:39 -0700
URL:       http://hg.openjdk.java.net/lambda/lambda/jdk/rev/c2f306653cd1

Fix characteristic for list and set, also ensure unmodified collection is used
for spliterator.

! src/share/classes/java/util/Collections.java