Display network name in status bar

When config_showOperatorNameInStatusBar is true, "Network name" setting
is displayed in Settings app (Settings > Display).
The user can turn on/off the feature to display the network name in the
status bar from Settings app.

Fixes: 67620513
Test: manual - go to Settings > Display and turn on/off Network name.

Change-Id: I43f1d9cbea363527250639ce6146f1c5c6c8a482
diff --git a/src/com/android/settings/DisplaySettings.java b/src/com/android/settings/DisplaySettings.java
index 9a3f047..d67758a 100644
--- a/src/com/android/settings/DisplaySettings.java
+++ b/src/com/android/settings/DisplaySettings.java
@@ -33,6 +33,7 @@
 import com.android.settings.display.NightDisplayPreferenceController;
 import com.android.settings.display.NightModePreferenceController;
 import com.android.settings.display.ScreenSaverPreferenceController;
+import com.android.settings.display.ShowOperatorNamePreferenceController;
 import com.android.settings.display.TapToWakePreferenceController;
 import com.android.settings.display.ThemePreferenceController;
 import com.android.settings.display.TimeoutPreferenceController;
@@ -98,6 +99,7 @@
         controllers.add(new TapToWakePreferenceController(context));
         controllers.add(new TimeoutPreferenceController(context, KEY_SCREEN_TIMEOUT));
         controllers.add(new VrDisplayPreferenceController(context));
+        controllers.add(new ShowOperatorNamePreferenceController(context));
         controllers.add(new WallpaperPreferenceController(context));
         controllers.add(new ThemePreferenceController(context));
         controllers.add(new BrightnessLevelPreferenceController(context, lifecycle));