[9] RFR 8019180: Use JComboBox as it's own ActionListener leads to unexpected behaviour

[sergey malenkov]

Hello,

Could you please review the following fix:
http://cr.openjdk.java.net/~malenkov/8019180.9.0/
http://bugs.openjdk.java.net/browse/JDK-8019180

Thanks,
SAM