System.PlatformNotSupportedException thrown in DisposeAtProcessTermination with Android

[BraedenLS]

The Console.CancelKeyPress event:

[UnsupportedOSPlatform("android")]
[UnsupportedOSPlatform("browser")]
[UnsupportedOSPlatform("ios")]
[UnsupportedOSPlatform("tvos")]
public static event ConsoleCancelEventHandler? CancelKeyPress;

is clearly not supported for all OS's. However, the DisposeAtProcessTermination abstract class is trying to subscribe to this event regardless.

My project targets and runs on android and very quickly runs into this exception

[timcassell]

Accepting PRs.