renew the page view processor lock on each iteration
renew the page view processor lock on each iteration

Change-Id: Ie7aa19987973904613ca5b5c6939a96cd2075195
Reviewed-on: https://gerrit.instructure.com/11412
Reviewed-by: Zach Wily <9de8c4480303b5335cd2a33eefe814615ba3612a@instructure.com>
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>

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