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/network/AdaptiveConnectivityTogglePreferenceController.java

@@ -22,6 +22,7 @@ import android.provider.Settings;
 
 import androidx.preference.PreferenceScreen;
 
+import com.android.settings.R;
 import com.android.settings.widget.SettingsMainSwitchPreferenceController;
 
 /**
@@ -62,4 +63,9 @@ public class AdaptiveConnectivityTogglePreferenceController extends
         mWifiManager.setWifiScoringEnabled(isChecked);
         return true;
     }
+
+    @Override
+    public int getSliceHighlightMenuRes() {
+        return R.string.menu_key_network;
+    }
 }