8357561: BootstrapLoggerTest does not work on Ubuntu 24 with LANG de_DE.UTF-8

[yaqsun]

I backport this for parity with 11.0.30-oracle.

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• I confirm that I make this contribution in accordance with the OpenJDK Interim AI Policy.

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Progress

• JDK-8357561 needs maintainer approval
• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Error

 ⚠️ Pull request body is missing required line: - [x] I confirm that I make this contribution in accordance with the [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai).

Issue

• JDK-8357561: BootstrapLoggerTest does not work on Ubuntu 24 with LANG de_DE.UTF-8 (Bug - P4)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk11u-dev.git pull/3247/head:pull/3247
$ git checkout pull/3247

Update a local copy of the PR:
$ git checkout pull/3247
$ git pull https://git.openjdk.org/jdk11u-dev.git pull/3247/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 3247

View PR using the GUI difftool:
$ git pr show -t 3247

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk11u-dev/pull/3247.diff

[bridgekeeper]

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[openjdk]

❗ This change is not yet ready to be integrated.
See the Progress checklist in the description for automated requirements.

[openjdk]

This backport pull request has now been updated with issue from the original commit.