RFR: 8332872: SetupExecute should cd to temp directory

[Erik Joelsson]

On Thu, 4 Sep 2025 15:34:45 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

> Some commands create junk files all around in the current directory. We should change directory to a special working dir (typically the support dir) in SetupExecute, before running any command.

Marked as reviewed by erikj (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/27103#pullrequestreview-3190987516