Adapt space_between_gpu_track to the new coordinate system (#2806)
Adapt space_between_gpu_track to the new coordinate system (#2806)

Now that y-coordinate grows from top to bottom we have to add the space
instead of erasing it.

Regression from 1.67. http://b/200510588.

Test: Load a capture, see the spaces between Gpu submission subtrack.
google/orbit,google/orbit,google/orbit,google/orbit