Review request for JMC-6408: Cleanup of MBeanOperationsWrapper

[Guru]

+1 looks good to me, 

Please update the copyright year before committing the changes. 

Thanks,
Guru
> On 13-Feb-2019, at 2:40 PM, Marcus Hirt <marcus.hirt at oracle.com> wrote:
> 
> Hi all,
> 
> Please review this fix to clean up the MBeanOperationsWrapper a bit 
> (should not subclass ArrayList).
> 
> Jira:   https://bugs.openjdk.java.net/browse/JMC-6408
> Webrev: http://cr.openjdk.java.net/~hirt/JMC-6408/webrev.0/
> 
> Kind regards,
> Marcus
> 
>