adds unlisted to the list of valid profile visibility values
adds unlisted to the list of valid profile visibility values

test plan:
0) see test plan for canvasnet_registration patchset

references #CNVS-5865

Change-Id: Id1f9442156d41b697e2dc8f9b3ca703923252ed3
Reviewed-on: https://gerrit.instructure.com/21021
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
Reviewed-by: Joe Tanner <16a9a54ddf4259952e3c118c763138e83693d7fd@instructure.com>
Product-Review: Marc LeGendre <d33c80bc45d65303e33ca83108a9952b745af9ef@instructure.com>
QA-Review: Marc LeGendre <d33c80bc45d65303e33ca83108a9952b745af9ef@instructure.com>
Tested-by: Landon Wilkins <e219b0c23c4256074cdfc7a23138e4f17200b08f@instructure.com>

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