message: Just a quick typo fix: parallism -> parallelism
  Found while reviewing zero changes outside this file.
diff: @@ -20,14 +20,14 @@ limitations under the License.
  namespace tensorflow {
  -/* ABSL_CONST_INIT */ thread_local int per_thread_max_parallism = 1000000;
  +/* ABSL_CONST_INIT */ thread_local int per_thread_max_parallelism = 1000000;
  void SetPerThreadMaxParallelism(int max_parallelism) {
  CHECK_LE(0, max_parallelism);
  - per_thread_max_parallism = max_parallelism;
  + per_thread_max_parallelism = max_parallelism;
  }
  -int GetPerThreadMaxParallelism() { return per_thread_max_parallism; }
  +int GetPerThreadMaxParallelism() { return per_thread_max_parallelism; }
  void Shard(int max_parallelism, thread::ThreadPool* workers, int64 total,
  int64 cost_per_unit, std::function<void(int64, int64)> work) {
  