message: Fix compilation crash. ParseFromStringPiece isn't defined.
diff: @@ -349,7 +349,7 @@ StatusOr<std::vector<HloSnapshot>> ParseRecordIoFile(absl::string_view filename,
  tensorflow::tstring record;
  while (reader.ReadRecord(&offset, &record).ok()) {
  HloSnapshot snapshot;
  - if (snapshot.mutable_hlo()->ParseFromStringPiece(record)) {
  + if (snapshot.mutable_hlo()->ParseFromString(record)) {
  snapshots.push_back(std::move(snapshot));
  } else {
  LOG(ERROR) << "Encountered bad proto";
  