RFR: 7115200

[Rickard Bäckman]

CR7115200: Add Java FlightRecorder phase 1
Makefile changes to enable builds of the JDK with JFR.

Webrev: http://cr.openjdk.java.net/~rbackman/7115200/webrev/
CR: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7115200

Thanks
Rickard