RFC: 8229160: Reimplement JvmtiRawMonitor to use PlatformMonitor

[Robbin Ehn]

Hi David,

> Comments/opinions appreciated.

Had I quick look, seems reasonable.
And totally worth it since you removed the dependency on object monitors!

-#include "runtime/objectMonitor.hpp"

:)

Thanks for not giving up!

/Robbin

> 
> Thanks,
> David
> 
> [1] https://docs.oracle.com/en/java/javase/11/docs/specs/jvmti.html#RawMonitorWait