[8u20] RFA to backport 8044206: LambdaMetafactory.altMetafactory javadoc refers to wrong method

[Alexander Zuev]

Please approve the backport of this issue to the 8u20.

Issue: https://bugs.openjdk.java.net/browse/JDK-8044206
Webrev: http://cr.openjdk.java.net/~kizune/8044206/webrev.00
Review thread: 
http://mail.openjdk.java.net/pipermail/core-libs-dev/2014-June/027090.html

Fix applies to the http://hg.openjdk.java.net/jdk8u/jdk8u-dev without 
any modification.

/Alex