RFR: 8278422: Replace use of deprecated single string variant of Runtime.exec method

[Kevin Rushforth]

On Tue, 9 May 2023 14:12:09 GMT, Lukasz Kostyra <lkostyra at openjdk.org> wrote:

> Calls of `Runtime.getRuntime().exec()` were changed to `String[]` variant.
> 
> Only Windows and macOS parts were affected, tests work good on both platforms.
> 
> I looked through the code and didn't find any other cases of `Runtime.getRuntime().exec(String)` being used, so that should cover all possible deprecation warnings for this issue.

Looks good.

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Marked as reviewed by kcr (Lead).

PR Review: https://git.openjdk.org/jfx/pull/1130#pullrequestreview-1419564934