git: openjdk/jdk-sandbox: jep486: Change checkPermission exception msg to "checking permissions is not supported".

[duke]

Changeset: b6fe405d
Branch: jep486
Author:    Sean Mullan <sean.mullan at oracle.com>
Date:      2024-10-26 13:53:28 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/b6fe405dbbe8ec19a18174bc48dd649feca3d6aa

Change checkPermission exception msg to "checking permissions is not supported".

! src/java.base/share/classes/java/security/AccessControlContext.java