hg: lambda/lambda/jdk: Modify Iterables.uniqueElements to be fully lazy.

[stuart.marks at oracle.com]

Changeset: 08c12c22393c
Author:    smarks
Date:      2012-04-13 15:24 -0700
URL:       http://hg.openjdk.java.net/lambda/lambda/jdk/rev/08c12c22393c

Modify Iterables.uniqueElements to be fully lazy.

! src/share/classes/java/util/Iterables.java
! src/share/classes/java/util/Iterators.java
! test-ng/tests/org/openjdk/tests/java/util/IterableTest.java
! test-ng/tests/org/openjdk/tests/java/util/IterablesTest.java