static installBasedOnScreenMethods_() {
    if (screen.orientation.lock === undefined) {
      screen.orientation.lock = (orientation) => {
        shaka.log.info('screen.orientation.lock is a no-op');
        return Promise.resolve();
      };
    }
    if (screen.orientation.unlock === undefined) {
      screen.orientation.unlock = () => {
        shaka.log.info('screen.orientation.unlock is a no-op');
      };
    }
  }
Modifies screen.orientation to add no-ops for missing methods.
Meant for cases where screen.orientation is defined, but has missing
methods that cannot be properly polyfilled.
@private