RFR: 8296928: Fix failing string table test after log changes

[Stefan Karlsson]

On Mon, 14 Nov 2022 09:44:58 GMT, Stefan Johansson <sjohanss at openjdk.org> wrote:

> Please review this fix for a failing test that expects ZGC logging to look a certain way. 
> 
> Updated the log-messages to match the current state of things.

Marked as reviewed by stefank (Reviewer).

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PR: https://git.openjdk.org/zgc/pull/9