[lilliput-jdk17u:lilliput] RFR: 8300138: [Lilliput/JDK17] Optimize anonymous owner fix-up path

[Aleksey Shipilev]

On Fri, 13 Jan 2023 19:28:23 GMT, Roman Kennke <rkennke at openjdk.org> wrote:

> I'd like to push this optimization to Lilliput/JDK17. I already included it in the [upstream fast-locking change](https://github.com/openjdk/jdk/pull/10907), soon to be merged into Lilliput tip. It simplifies the fast-unlocking code and makes it more efficient. See JBS entry for more details.
> 
> Testing:
>  - [x] tier1
>  - [x] tier2

Marked as reviewed by shade (Reviewer).

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PR: https://git.openjdk.org/lilliput-jdk17u/pull/3