add strand to delayed job "Processing" log line
add strand to delayed job "Processing" log line

This would've helped some debugging I was doing today.

test plan: run delayed jobs, see that the "Processing <job tag> {job details}"
log line now includes the strand along with the other info

Change-Id: I569429d2f320486f161adbcab2985f93f9a68a99
Reviewed-on: https://gerrit.instructure.com/24169
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
Reviewed-by: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>
QA-Review: Jeremy Putnam <b030d6d6f199f844ec424882be473c2ab9adc93b@instructure.com>
Product-Review: Brian Palmer <3cb4e1df5ec4da2c7c4af7c52cec8cf340a55a10@instructure.com>

roxolan/canvas-lms,va7map/canvas-lms,juoni/canvas-lms,djbender/canvas-lms,sdeleon28/canvas-lms,Jyaasa/canvas-lms,whalejasmine/canvas-lms,jay3126/canvas-lms,redconfetti/canvas-lms,sdeleon28/canvas-lms,fronteerio/canvas-lms,arrivu/arrivu-lms,Unow/canvas-lms,SwinburneOnline/canvas-lms,Jyaasa/canvas-lms,usmschuck/canvas,leftplusrightllc/canvas-lms,fronteerio/canvas-lms,antoniuslin/canvas-lms,wimemx/Canvas,skmezanul/canvas-lms,arrivu/hoodemo,Unow/canvas-lms,ShreniiNepal/shrenii_lmp,redconfetti/canvas-lms,ShreniiNepal/shrenii_lmp,whalejasmine/canvas-lms,antoniuslin/canvas-lms,whalejasmine/canvas-lms,arrivu/qibla-ecampus,kyroskoh/canvas-lms,merichar/canvas-lms,fronteerio/canvas-lms,loganrun/pincan,wye0220/shindig-canvas,arrivu/arrivu-lms,grahamb/canvas-lms,va7map/canvas-lms,whalejasmine/canvas-lms,sfu/canvas-lms,juoni/canvas-lms,Rvor/canvas-lms,roxolan/canvas-lms,shidao-fm/canvas-lms,wrdsb/canvas-lms,wrdsb/canvas-lms,landonwilkins/canvas-lms,juoni/canvas-lms,landonwilkins/canvas-lms,va7map/canvas-lms,skmezanul/canvas-lms,leftplusrightllc/canvas-lms,landonwilkins/canvas-lms,utkarshx/canvas-lms,sfu/canvas-lms,wye0220/shindig-canvas,leftplusrightllc/canvas-lms,samuels410/greatlakes-lms,shidao-fm/canvas-lms,Unow/canvas-lms,utkarshx/canvas-lms,Rvor/canvas-lms,sfu/canvas-lms,jay3126/canvas-lms,greyhwndz/canvas-lms,redconfetti/canvas-lms,arrivu/jigsaw-lms,utkarshx/canvas-lms,efrj/canvas-lms,djbender/canvas-lms,HotChalk/canvas-lms,HotChalk/canvas-lms,tgroshon/canvas-lms,wimemx/Canvas,juoni/canvas-lms,kyroskoh/canvas-lms,sdeleon28/canvas-lms,usmschuck/canvas,sfu/canvas-lms,arrivu/jigsaw-lms,arrivu/hoodemo,roxolan/canvas-lms,Rvor/canvas-lms,merichar/canvas-lms,landonwilkins/canvas-lms,roxolan/canvas-lms,arrivu/qibla-ecampus,djbender/canvas-lms,SwinburneOnline/canvas-lms,samuels410/greatlakes-lms,jay3126/canvas-lms,venturehive/canvas-lms,sfu/canvas-lms,HotChalk/canvas-lms,tgroshon/canvas-lms,sfu/canvas-lms,arrivu/jigsaw-lms,efrj/canvas-lms,Jyaasa/canvas-lms,antoniuslin/canvas-lms,utkarshx/canvas-lms,ShreniiNepal/shrenii_lmp,samuels410/greatlakes-lms,HotChalk/canvas-lms,loganrun/pincan,venturehive/canvas-lms,sfu/canvas-lms,greyhwndz/canvas-lms,fronteerio/canvas-lms,grahamb/canvas-lms,greyhwndz/canvas-lms,kyroskoh/canvas-lms,grahamb/canvas-lms,antoniuslin/canvas-lms,arrivu/hoodemo,loganrun/pincan,venturehive/canvas-lms,jay3126/canvas-lms,va7map/canvas-lms,ShreniiNepal/shrenii_lmp,redconfetti/canvas-lms,SwinburneOnline/canvas-lms,shidao-fm/canvas-lms,grahamb/canvas-lms,Rvor/canvas-lms,skmezanul/canvas-lms,samuels410/greatlakes-lms,merichar/canvas-lms,tgroshon/canvas-lms,wrdsb/canvas-lms,wimemx/Canvas,usmschuck/canvas,arrivu/qibla-ecampus,tgroshon/canvas-lms,skmezanul/canvas-lms,efrj/canvas-lms,sdeleon28/canvas-lms,greyhwndz/canvas-lms,efrj/canvas-lms,SwinburneOnline/canvas-lms,leftplusrightllc/canvas-lms,usmschuck/canvas,arrivu/arrivu-lms,grahamb/canvas-lms,Jyaasa/canvas-lms,wrdsb/canvas-lms,kyroskoh/canvas-lms,venturehive/canvas-lms,djbender/canvas-lms,shidao-fm/canvas-lms,wye0220/shindig-canvas