glmark2: Switch pulsar to apitrace.

This was done with vblank_mode=3 (to capture fewer frames per unit
time) and taking frame 30 using gltrim.  Bigger than the .rdc, but
should be much faster to run.

Part-of: <!33>
3 jobs for master in 3 minutes and 51 seconds
Status Name Job ID Coverage
  Container
passed alpine-image #9661374

00:00:25

 
  Test
passed check-file-uniqueness #9661375
packet.net

00:01:15

 
  Deploy
passed upload-to-minio #9661376
packet.net

00:02:10