Do not filter out nix-on-droid configurations based on system

Author: Yethal

lib/default.nix

@@ -697,7 +697,9 @@ let
               )
             ))
             # add nix-on-droid closures to checks
-            (withPrefix "droid-" (lib.mapAttrs (_: x: x) ((inputs.self.nixOnDroidConfigurations or { }))))
+            (withPrefix "droid-" (
+              lib.mapAttrs (_: x: x.activationPackage) ((inputs.self.nixOnDroidConfigurations or { }))
+            ))
             # load checks from the /checks folder. Those take precedence over the others.
             (filterPlatforms system (
               optionalPathAttrs (src + "/checks") (