RFR: 8352624: Add missing {@code} to PassFailJFrame.Builder.splitUI

[Harshitha Onkar]

On Tue, 25 Mar 2025 17:32:29 GMT, Alexey Ivanov <aivanov at openjdk.org> wrote:

> A trivial fix to add `{@code}` to the description of `splitUI` methods in `PassFailJFrame.Builder`.

Marked as reviewed by honkar (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/24235#pullrequestreview-2718946101