<i18n dev> RFR: 8345818: Fix SM cleanup of parsing of System property resource.bundle debug

[Lance Andersen]

On Mon, 9 Dec 2024 17:22:14 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

> Replace broken getProperty with Boolean.getBoolean.
> 
> Manual testing confirms trace messages are enabled with `-Dresource.bundle.debug=true`

Marked as reviewed by lancea (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/22649#pullrequestreview-2489791907