RFR: 8370079: Re-enable vmTestbase/gc/vector/CircularListLow and LinearListLow with SerialGC

[Albert Mingkun Yang]

On Fri, 17 Oct 2025 12:13:14 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> Trivial re-enabling these two tests with SerialGC. I am leaving [JDK-8368191](https://bugs.openjdk.org/browse/JDK-8368191) open for now and plan to close it after monitoring CI for a while.
> 
> Test: 2K runs of the previously failing tests

Thanks for review.

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PR Comment: https://git.openjdk.org/jdk/pull/27866#issuecomment-3422556901