allow skipping request throttling code completely
allow skipping request throttling code completely

Change-Id: I1692f384014adf5680f616dc3cffda5069c68a44
Reviewed-on: https://gerrit.instructure.com/48060
Reviewed-by: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>
Tested-by: Jenkins
Product-Review: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>
QA-Review: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>

sdeleon28/canvas-lms,Rvor/canvas-lms,sdeleon28/canvas-lms,samuels410/greatlakes-lms,wrdsb/canvas-lms,whalejasmine/canvas-lms,sfu/canvas-lms,narigone/canvas,whalejasmine/canvas-lms,kyroskoh/canvas-lms,djbender/canvas-lms,SwinburneOnline/canvas-lms,wrdsb/canvas-lms,roxolan/canvas-lms,snehakachroo1/LSI_replica,leftplusrightllc/canvas-lms,leftplusrightllc/canvas-lms,antoniuslin/canvas-lms,matematikk-mooc/canvas-lms,eCNAP/CANVAS,jay3126/canvas-lms,samuels410/greatlakes-lms,matematikk-mooc/canvas-lms,sfu/canvas-lms,matematikk-mooc/canvas-lms,greyhwndz/canvas-lms,va7map/canvas-lms,SwinburneOnline/canvas-lms,fronteerio/canvas-lms,venturehive/canvas-lms,Jyaasa/canvas-lms,efrj/canvas-lms,instructure/canvas-lms,narigone/canvas,narigone/canvas,instructure/canvas-lms,instructure/canvas-lms,AndranikMarkosyan/lms,venturehive/canvas-lms,va7map/canvas-lms,ShreniiNepal/shrenii_lmp,shidao-fm/canvas-lms,redconfetti/canvas-lms,samuels410/greatlakes-lms,wrdsb/canvas-lms,greyhwndz/canvas-lms,samuels410/greatlakes-lms,Jyaasa/canvas-lms,dgynn/canvas-lms,shidao-fm/canvas-lms,sfu/canvas-lms,snehakachroo1/LSI_replica,utkarshx/canvas-lms,kyroskoh/canvas-lms,greyhwndz/canvas-lms,Rvor/canvas-lms,instructure/canvas-lms,juoni/canvas-lms,tgroshon/canvas-lms,grahamb/canvas-lms,skmezanul/canvas-lms,efrj/canvas-lms,sfu/canvas-lms,Rvor/canvas-lms,wrdsb/canvas-lms,AndranikMarkosyan/lms,snehakachroo1/LSI_replica,kyroskoh/canvas-lms,fronteerio/canvas-lms,dgynn/canvas-lms,instructure/canvas-lms,venturehive/canvas-lms,skmezanul/canvas-lms,Rvor/canvas-lms,dgynn/canvas-lms,sdeleon28/canvas-lms,utkarshx/canvas-lms,AndranikMarkosyan/lms,efrj/canvas-lms,eCNAP/CANVAS,djbender/canvas-lms,narigone/canvas,juoni/canvas-lms,whalejasmine/canvas-lms,ShreniiNepal/shrenii_lmp,leftplusrightllc/canvas-lms,utkarshx/canvas-lms,tgroshon/canvas-lms,AndranikMarkosyan/lms,grahamb/canvas-lms,sfu/canvas-lms,redconfetti/canvas-lms,HotChalk/canvas-lms,ShreniiNepal/shrenii_lmp,tgroshon/canvas-lms,tgroshon/canvas-lms,SwinburneOnline/canvas-lms,antoniuslin/canvas-lms,efrj/canvas-lms,djbender/canvas-lms,redconfetti/canvas-lms,snehakachroo1/LSI_replica,dgynn/canvas-lms,venturehive/canvas-lms,jay3126/canvas-lms,juoni/canvas-lms,djbender/canvas-lms,antoniuslin/canvas-lms,Jyaasa/canvas-lms,skmezanul/canvas-lms,grahamb/canvas-lms,HotChalk/canvas-lms,juoni/canvas-lms,matematikk-mooc/canvas-lms,roxolan/canvas-lms,instructure/canvas-lms,sdeleon28/canvas-lms,va7map/canvas-lms,Jyaasa/canvas-lms,shidao-fm/canvas-lms,ShreniiNepal/shrenii_lmp,jay3126/canvas-lms,roxolan/canvas-lms,va7map/canvas-lms,antoniuslin/canvas-lms,shidao-fm/canvas-lms,greyhwndz/canvas-lms,instructure/canvas-lms,grahamb/canvas-lms,grahamb/canvas-lms,leftplusrightllc/canvas-lms,fronteerio/canvas-lms,kyroskoh/canvas-lms,HotChalk/canvas-lms,sfu/canvas-lms,skmezanul/canvas-lms,sfu/canvas-lms,HotChalk/canvas-lms,whalejasmine/canvas-lms,utkarshx/canvas-lms,fronteerio/canvas-lms,jay3126/canvas-lms,roxolan/canvas-lms,redconfetti/canvas-lms,SwinburneOnline/canvas-lms,eCNAP/CANVAS,eCNAP/CANVAS