hbl: support different keys for any-app vs specific

This also makes the default configuration:

To override a generic app, hold R.
To override album, do not hold R.

common/defaults/loader.ini

@@ -2,7 +2,8 @@
 title_id=010000000000100D
 override_any_app=true
 path=atmosphere/hbl.nsp
-override_key=R
+override_key=!R
+override_any_app_key=R
 
 [default_config]
 override_key=!L