Function validator

build-system/tasks/validator.js:15–20

* Simple wrapper around the python based validator tests. * @return {Promise }

()

 * @return {Promise<void>}
 */
async function validator() {
  execOrDie('python3 build.py' + validatorArgs, {
    cwd: 'validator',
    stdio: 'inherit',
  });
}

/**
 * Simple wrapper around the bazel based C++ validator tests.