RFR (M) 8213753: Move timing of ProtectionDomainTable and ResolvedMethodTable cleanup to service thread

[coleen.phillimore at oracle.com]

I've renamed this bug.  Please review on new thread.
thanks,
Coleen

On 1/28/19 5:09 PM, coleen.phillimore at oracle.com wrote:
> Summary: remove gc timing for short runtime cleanup triggering; make 
> symbol table cleaning triggered automatically on unloading
>
> Ran runThese with all Oracle GCs and got similar numbers of symbols 
> unloaded.  Also ran tier1-5.
>
> open webrev at http://cr.openjdk.java.net/~coleenp/2019/8213753.01/webrev
> bug link https://bugs.openjdk.java.net/browse/JDK-8213753
>
> Thanks,
> Coleen