RFR: Update code in java.lang to use new language features

[Alan Bateman]

On 24/01/2014 14:45, Paul Sandoz wrote:
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> http://cr.openjdk.java.net/~psandoz/jdk9/java.lang-StringBuilder/
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> http://cr.openjdk.java.net/~psandoz/jdk9/java.lang-collapse-catches/
>
> --
> http://cr.openjdk.java.net/~psandoz/jdk9/java.lang-boxing/
>
I looked through the StringBuilder, multi-catch and the improvement to 
ConditionalSpecialCasing's initializer. Looks okay to me.

-Alan.