message: Fix group_id type
diff: @@ -250,7 +250,7 @@ void DeriveEventsFromHostTrace(const XPlane* host_trace,
  uint64 max_launch_time_ps = 0ULL;
  uint64 total_launch_time_ps = 0ULL;
  };
  - typedef absl::flat_hash_map<uint64 /*group_id*/, GroupLaunchInfo>
  + typedef absl::flat_hash_map<int64 /*group_id*/, GroupLaunchInfo>
  DeviceLaunchInfo;
  int num_devices = device_traces.size();
  @@ -308,9 +308,9 @@ void DeriveEventsFromHostTrace(const XPlane* host_trace,
  device_plane.GetOrCreateLine(kThreadIdKernelLaunch);
  launch_line.SetName(kKernelLaunchLineName);
  launch_line.SetTimestampNs(std::min(device_plane_start, host_plane_start));
  - for (const auto& it : per_device_launch_info[i]) {
  - uint64 group_id = it.first;
  - const GroupLaunchInfo& group_info = it.second;
  + for (const auto& kv : per_device_launch_info[i]) {
  + int64 group_id = kv.first;
  + const GroupLaunchInfo& group_info = kv.second;
  if (auto group_name = gtl::FindOrNull(event_group_name_map, group_id)) {
  XEventBuilder device_event =
  launch_line.AddEvent(*device_plane.GetOrCreateEventMetadata(
  