8079408: Reimplement TraceClassLoading, TraceClassUnloading, and TraceClassLoaderData with Unified Logging. Summary: TraceClassLoading, TraceClassUnloading, and TraceClassLoaderData have been reimplemented using Unified logging. Reviewed-by: iklam, coleenp, dholmes, jiangli, hseigel, rprotacio Contributed-by: max.ockner@oracle.com, ioi.lam@oracle.com

package test;

public class Empty {
public String toString() { return "nothing"; }
}