Remove advanced category if no preference am: 392850a825 am: 34ebed2bba am: 45cd97eabf am: 5538d47259

Original change: https://android-review.googlesource.com/c/platform/packages/apps/Messaging/+/1351522

Change-Id: Ia4902eaf2d7b8c94c113fb662680cfe270c73b78

src/com/android/messaging/ui/appsettings/PerSubscriptionSettingsActivity.java

@@ -190,6 +190,10 @@ public class PerSubscriptionSettingsActivity extends BugleActionBarActivity {
                     deliveryReportsPreference.setEnabled(false);
                 }
             }
+
+            if (advancedCategory.getPreferenceCount() == 0) {
+                getPreferenceScreen().removePreference(advancedCategory);
+            }
         }
 
         private boolean isCellBroadcastAppLinkEnabled() {