pin listen gem to fix guard
pin listen gem to fix guard

Change-Id: I1dcc4e79c15a99516921ecafc461112b4734b1c9
Reviewed-on: https://gerrit.instructure.com/25054
Reviewed-by: Bracken Mosbacker <48b846001bca4166dc3fb7711563afc17525921e@instructure.com>
Product-Review: Bracken Mosbacker <48b846001bca4166dc3fb7711563afc17525921e@instructure.com>
QA-Review: Bracken Mosbacker <48b846001bca4166dc3fb7711563afc17525921e@instructure.com>
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>

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