Add developer options to force enable Notes role.

The Notes role is enabled through a RRO that overlays the config
config_enableDefaultNotes (and its work profile counterpart).

Bug: 276432652
Test: ForceEnableNotesRolePreferenceControllerTest
Change-Id: Iab05b6c13dabda94c513919365a3a9f69dacb80e

src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java

@@ -689,6 +689,7 @@ public class DevelopmentSettingsDashboardFragment extends RestrictedDashboardFra
         controllers.add(new PhantomProcessPreferenceController(context));
         controllers.add(new ContrastPreferenceController(
                 context, context.getSystemService(UiModeManager.class)));
+        controllers.add(new ForceEnableNotesRolePreferenceController(context));
 
         return controllers;
     }