Remove subtitles for the homepage IA

Remove the summary of the homepage IA if silky home enabled.

Fixes: 170933968
Test: robotest & visual with turning on/off silky home
Change-Id: I502b6590cece9b80e9923109fe0582cc4d9a1c56

src/com/android/settings/display/TopLevelDisplayPreferenceController.java

@@ -17,9 +17,11 @@
 package com.android.settings.display;
 
 import android.content.Context;
+import android.util.FeatureFlagUtils;
 
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;
+import com.android.settings.core.FeatureFlags;
 
 public class TopLevelDisplayPreferenceController extends BasePreferenceController {
 
@@ -36,6 +38,11 @@ public class TopLevelDisplayPreferenceController extends BasePreferenceControlle
 
     @Override
     public CharSequence getSummary() {
+        // Remove homepage summaries for silky home.
+        if (FeatureFlagUtils.isEnabled(mContext, FeatureFlags.SILKY_HOME)) {
+            return null;
+        }
+
         final WallpaperPreferenceController controller =
                 new WallpaperPreferenceController(mContext, "unused_key");
         if (controller.isAvailable()) {