message: Append tpu planes to XSpace.
diff: @@ -107,7 +107,12 @@ Status TpuTracer::CollectData(XSpace* space) {
  tpu::OpsApiFn()->TpuProfiler_CollectDataFn(tpu_profiler_, status.c_status,
  buffer.data(), &size_in_bytes);
  // Deserialize XSpace from the buffer and return it.
  - space->ParseFromArray(buffer.data(), buffer.size());
  + XSpace tpu_space;
  + tpu_space.ParseFromArray(buffer.data(), buffer.size());
  + for (XPlane& tpu_plane : *tpu_space.mutable_planes()) {
  + XPlane* plane = space->add_planes();
  + plane->Swap(&tpu_plane);
  + }
  }
  if (!status.ok()) {
  LOG(ERROR) << "TPU tracer failed to collect data.";
  