RFR[9] XS: 8154764: The negative values in the list are not enclosed in parentheses

[Morris Meyer]

David and Jonathan,

Please review this small change.  It seems that the currency semantics 
for NumberFormat have changed.  This explicit format handles accounting 
style formatting.

Thanks,

        --morris

BUG - https://bugs.openjdk.java.net/browse/JDK-8154764
WEBREV - http://cr.openjdk.java.net/~morris/JDK-8154764.01/