Patch: Integrate async-profiler

[Aleksey Shipilev]

On 8/5/20 12:14 AM, Jason Zaugg wrote:
> I'm not aware of anything further. It's working for me as a
> replacement for the old integration.
> 
> No doubt wider battle testing will throw up some issues; I'll keep an
> eye on this list and address them.
> 
> I gave the code a final review pass. Here's what I found that needs a
> final tidy up.

Ok, pushed.

-- 
-Aleksey