add Course#asset_user_accesses association
add Course#asset_user_accesses association

Change-Id: Ibfc70c3f56f632b684d642907d481bd9c5294134
Reviewed-on: https://gerrit.instructure.com/13584
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
Reviewed-by: Jacob Fugal <f862f167b85d41b225785c70d70808bc7337c1fe@instructure.com>

va7map/canvas-lms,ankithbti/canvas_lms,djbender/canvas-lms,efrj/canvas-lms,roxolan/canvas-lms,narigone/canvas,greyhwndz/canvas-lms,arrivu/jigsaw-lms,samuels410/greatlakes-lms,Rvor/canvas-lms,whalejasmine/canvas-lms,venturehive/canvas-lms,usmschuck/canvas,eCNAP/CANVAS,fronteerio/canvas-lms,ShreniiNepal/shrenii_lmp,wimemx/Canvas,skmezanul/canvas-lms,jay3126/canvas-lms,wimemx/Canvas,leftplusrightllc/canvas-lms,Unow/ins,arrivu/hiring-site,instructure/canvas-lms,utkarshx/canvas-lms,wye0220/shindig-canvas,eCNAP/CANVAS,fronteerio/canvas-lms,utkarshx/canvas-lms,wrdsb/canvas-lms,instructure/canvas-lms,shidao-fm/canvas-lms,sli7246/canvas_branch,Unow/ins,sfu/canvas-lms,efrj/canvas-lms,arrivu/qibla-ecampus,wrdsb/canvas-lms,efrj/canvas-lms,tgroshon/canvas-lms,juoni/canvas-lms,Jyaasa/canvas-lms,sli7246/canvas_branch,narigone/canvas,djbender/canvas-lms,kyroskoh/canvas-lms,loganrun/pincan,venturehive/canvas-lms,merichar/canvas-lms,whalejasmine/canvas-lms,arrivu/qibla-ecampus,Unow/ins,utkarshx/canvas-lms,nditech/red-innovadores-lms,antoniuslin/canvas-lms,matematikk-mooc/canvas-lms,redconfetti/canvas-lms,Jyaasa/canvas-lms,antoniuslin/canvas-lms,sdeleon28/canvas-lms,greyhwndz/canvas-lms,HotChalk/canvas-lms,AndranikMarkosyan/lms,HotChalk/canvas-lms,arrivu/hoodemo,juoni/canvas-lms,grahamb/canvas-lms,Unow/canvas-lms,landonwilkins/canvas-lms,ankithbti/canvas_lms,eCNAP/CANVAS,roxolan/canvas-lms,grahamb/canvas-lms,dgynn/canvas-lms,merichar/canvas-lms,sfu/canvas-lms,jay3126/canvas-lms,landonwilkins/canvas-lms,parbros/red-innovadores-lms,shidao-fm/canvas-lms,juoni/canvas-lms,rup/Tarrax,Rvor/canvas-lms,ShreniiNepal/shrenii_lmp,arrivu/hoodemo,sdeleon28/canvas-lms,arrivu/hiring-site,loganrun/pincan,nditech/red-innovadores-lms,wimemx/Canvas,efrj/canvas-lms,rup/Tarrax,jay3126/canvas-lms,kyroskoh/canvas-lms,eCNAP/CANVAS,venturehive/canvas-lms,arrivu/qibla-ecampus,instructure/canvas-lms,leftplusrightllc/canvas-lms,djbender/canvas-lms,jay3126/canvas-lms,instructure/canvas-lms,arrivu/jigsaw-lms,usmschuck/canvas,va7map/canvas-lms,arrivu/hiring-site,dgynn/canvas-lms,arrivu/arrivu-lms,instructure/canvas-lms,kyroskoh/canvas-lms,kyroskoh/canvas-lms,skmezanul/canvas-lms,narigone/canvas,nditech/red-innovadores-lms,dgynn/canvas-lms,fronteerio/canvas-lms,SwinburneOnline/canvas-lms,va7map/canvas-lms,samuels410/greatlakes-lms,sfu/canvas-lms,va7map/canvas-lms,matematikk-mooc/canvas-lms,greyhwndz/canvas-lms,gbleydon/canvas-lms,instructure/canvas-lms,leftplusrightllc/canvas-lms,arrivu/arrivu-lms,redconfetti/canvas-lms,gbleydon/canvas-lms,djbender/canvas-lms,arrivu/jigsaw-lms,Rvor/canvas-lms,ShreniiNepal/shrenii_lmp,tgroshon/canvas-lms,antoniuslin/canvas-lms,sfu/canvas-lms,venturehive/canvas-lms,AndranikMarkosyan/lms,usmschuck/canvas,roxolan/canvas-lms,landonwilkins/canvas-lms,juoni/canvas-lms,grahamb/canvas-lms,sdeleon28/canvas-lms,usmschuck/canvas,redconfetti/canvas-lms,skmezanul/canvas-lms,Unow/canvas-lms,grahamb/canvas-lms,SwinburneOnline/canvas-lms,gbleydon/canvas-lms,leftplusrightllc/canvas-lms,instructure/canvas-lms,roxolan/canvas-lms,whalejasmine/canvas-lms,tgroshon/canvas-lms,sdeleon28/canvas-lms,ankithbti/canvas_lms,sfu/canvas-lms,sfu/canvas-lms,AndranikMarkosyan/lms,sfu/canvas-lms,loganrun/pincan,fronteerio/canvas-lms,landonwilkins/canvas-lms,Jyaasa/canvas-lms,rup/Tarrax,snehakachroo1/LSI_replica,samuels410/greatlakes-lms,narigone/canvas,Unow/canvas-lms,HotChalk/canvas-lms,wye0220/shindig-canvas,tgroshon/canvas-lms,snehakachroo1/LSI_replica,wrdsb/canvas-lms,Jyaasa/canvas-lms,parbros/red-innovadores-lms,skmezanul/canvas-lms,merichar/canvas-lms,dgynn/canvas-lms,wye0220/shindig-canvas,grahamb/canvas-lms,wrdsb/canvas-lms,snehakachroo1/LSI_replica,antoniuslin/canvas-lms,samuels410/greatlakes-lms,matematikk-mooc/canvas-lms,whalejasmine/canvas-lms,utkarshx/canvas-lms,SwinburneOnline/canvas-lms,shidao-fm/canvas-lms,nditech/red-innovadores-lms,arrivu/hoodemo,matematikk-mooc/canvas-lms,AndranikMarkosyan/lms,SwinburneOnline/canvas-lms,Rvor/canvas-lms,ShreniiNepal/shrenii_lmp,greyhwndz/canvas-lms,arrivu/arrivu-lms,shidao-fm/canvas-lms,snehakachroo1/LSI_replica,HotChalk/canvas-lms,sli7246/canvas_branch,parbros/red-innovadores-lms,redconfetti/canvas-lms