RFR: 8333674: Disable CollectorPolicy.young_min_ergo_vm for PPC64

[Zhengyu Gu]

On Wed, 5 Jun 2024 19:37:15 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

> The test doesn't work on PPC64 and should be disabled until it is fixed. Subtask of [JDK-8331675](https://bugs.openjdk.org/browse/JDK-8331675).

LGTM

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Marked as reviewed by zgu (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/19566#pullrequestreview-2101826217