RFR: ZGC: Fix JFR *.jfc files

[Per Lidén]

Oops, my fault when I converted them to the new format.

Looks good.

/Per

> On 30 May 2018, at 16:41, Erik Gahlin <erik.gahlin at oracle.com> wrote:
> 
> Looks good. That's a great test.
> 
> Erik
> 
>> Hi all,
>> 
>> The JFR *.jfc files have incorrect attributes for the ZGC events. This causes the test/jdk/jdk/jfr/event/metadata/TestDefaultConfigurations.java test to fail.
>> 
>> http://cr.openjdk.java.net/~stefank/zgc/fixJFRFiles/
>> 
>> Thanks,
>> StefanK
>