[jdk17u] RFR: 8263375: Support stack watermarks in Zero VM

[Aleksey Shipilev]

On Mon, 13 Sep 2021 17:40:24 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Clean backport to improve Zero support.
> 
> Additional testing: 
>  - [x] Linux x86_64 Zero passes `hotspot_gc_shenandoah`

Got the push approval.

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PR: https://git.openjdk.java.net/jdk17u/pull/74