Non-blockable whitelist should only control importance fields

Sounds, etc. should still be modifiable

Test: robotests
Fixes: 130086523
Change-Id: I1a95a73b299bb3afd169b249a3dabae3583a448a

src/com/android/settings/notification/BadgePreferenceController.java

@@ -72,7 +72,7 @@ public class BadgePreferenceController extends NotificationPreferenceController
             pref.setDisabledByAdmin(mAdmin);
             if (mChannel != null) {
                 pref.setChecked(mChannel.canShowBadge());
-                pref.setEnabled(isChannelConfigurable() && !pref.isDisabledByAdmin());
+                pref.setEnabled(!pref.isDisabledByAdmin());
             } else {
                 pref.setChecked(mAppRow.showBadge);
             }