RFR(XS): 8019155 Update makefiles with correct jfr packages

[Staffan Larsen]

Please review this small fix for the 8 makefiles to include the correct 
packages in jfr.jar. This is a forward port from 7u40, but the package names 
have changed.

webrev: http://cr.openjdk.java.net/~sla/8019198/webrev.00/

Thanks,
/Staffan