RFR: [nestmates] rename Class::isHiddenClass to Class::isHidden

[David Holmes]

Hi Mandy,

The rename looks good. The misc import cleanups are also good. :)

Thanks,
David

On 1/04/2020 9:09 am, Mandy Chung wrote:
> Alex observes that a class or interface can be hidden and so he suggest 
> to rename `isHiddenClass` to `isHidden` as it's not limited to class only.
> 
> `isHidden` is like `isSynthetic`, it could be a class or interface.
> 
> `isLocalClass` and `sAnonymousClass` are specific for class only because 
> the Java language only has local classes and anon classes, not local 
> interfaces or anon. interfaces. `isMemberClass` isn't correct since it 
> can be a class or interface.
> 
> Webrev:
> http://cr.openjdk.java.net/~mchung/valhalla/webrevs/hidden-classes/webrev.03-delta-rename-isHidden/ 
> 
> 
> Thanks
> Mandy
>