Add highlight menu keys for all toggle pref controllers and custom slices

Bug: 204695404
Test: manual, robotest build pass, unit
Change-Id: Iad2e28ada8ddb766ffa7eff2c8dc581250cbd6f8

src/com/android/settings/privacy/ShowClipAccessNotificationPreferenceController.java

@@ -27,6 +27,7 @@ import androidx.lifecycle.OnLifecycleEvent;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
 
+import com.android.settings.R;
 import com.android.settings.core.TogglePreferenceController;
 
 /**
@@ -72,6 +73,11 @@ public class ShowClipAccessNotificationPreferenceController
         mPreference = screen.findPreference(getPreferenceKey());
     }
 
+    @Override
+    public int getSliceHighlightMenuRes() {
+        return R.string.menu_key_privacy;
+    }
+
     /**
      * Registers a DeviceConfig listener on start.
      */