git: openjdk/jfx-sandbox: johanvos-headless: Set the value of the jfx.experimental.feature.name property to

[duke]

Changeset: fe034b36
Branch: johanvos-headless
Author:    Johan Vos <johan at lodgon.com>
Date:      2024-11-20 09:23:06 +0000
URL:       https://git.openjdk.org/jfx-sandbox/commit/fe034b364536e61fa7b835d55a9f1fb06af14aaa

Set the value of the jfx.experimental.feature.name property to
headless. See #8343196

! build.properties