public void run() {
                try {
                    callbackContext.success(listenableFuture.get());
                } catch (Exception exception) {
                    callbackContext.success(UnusedAppRestrictionsConstants.ERROR);
                }
            }
Returns the status of Unused App Restrictions, which was introduced in Android 11 and
backported to Android 6 to 10 through the Google Play Store.
@return int @see UnusedAppRestrictionsConstants
@see https://developer.android.com/topic/performance/app-hibernation
src/android/LocalNotification.java