RFR: JDK-8237490: [macos] Add support notarizing jpackage app-image and dmg

[Erik Joelsson]

I think the proposed signing mechanism makes sense based on my 
experience signing and notarizing the JDK itself.

/Erik

On 2020-03-27 12:35, Andy Herrick wrote:
> Please review the fix to issue [1] at [2].
>
> This change enables notarization on Mac for dmg images and app-image 
> zip files.
>
> /Andy
>
> [1]: https://bugs.openjdk.java.net/browse/JDK-8237490
>
> [2]: http://cr.openjdk.java.net/~herrick/8237490
>