RFR: JDK-8263155: Allow additional contents for DMG

[Andy Herrick]

On Tue, 12 Oct 2021 16:47:04 GMT, Andy Herrick <herrick at openjdk.org> wrote:

> JDK-8263155: Allow additional contents for DMG

This enhancement adds a command line option "--mac-dmg-content" that can be used to add any other content to a dmg image.  The default DMGsetup.scpt  is modified to show all the additional content on a second row in Finder (under the application or java runtime and it's install directory).
Changes only ap[ply to dmg type bundles

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PR: https://git.openjdk.java.net/jdk/pull/5912