RFR(XXS): 8231922: Could not find field with name revokedClass

[Markus Gronlund]

Greetings,

Please review the following changeset.

Bug: https://bugs.openjdk.java.net/browse/JDK-8231922 
Webrev: http://cr.openjdk.java.net/~mgronlun/8231922/webrev01/ 
Test: jdk_jfr
Summary: please see bug for details.

Thanks
Markus