Define a constant Sliceable#NO_RES for no resource cases

Fix: 204733076
Test: build
Change-Id: Ifa3b9db0e915a3ec056ad68a9a1862811594d423

src/com/android/settings/network/telephony/TelephonyTogglePreferenceController.java

@@ -68,7 +68,7 @@ public abstract class TelephonyTogglePreferenceController extends TogglePreferen
     @Override
     public int getSliceHighlightMenuRes() {
         // not needed since it's not sliceable
-        return 0;
+        return NO_RES;
     }
 
     /**