Only show one copy of each preference

Fixes: 37912144
Fixes: 37909560
Test: manual, load app settings for legacy and upgrade apps from
inline settings, click (i), and click back.

Change-Id: Ieb96cca03f2596fd44cd33facafa3d4af1fbc24d

parent efed517a

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

+2 −0

Original line number	Diff line number	Diff line
		@@ -91,6 +91,8 @@ public class AppNotificationSettings extends NotificationSettingsBase {

		if (getPreferenceScreen() != null) {
		getPreferenceScreen().removeAll();
		mChannelGroups.clear();
		mShowLegacyChannelConfig = false;
		}

		addPreferencesFromResource(R.xml.app_notification_settings);