don't send ruby object to statsd key
don't send ruby object to statsd key

Change-Id: I7b81cc8017b24843f8c52fb0090374db8ee73691
Reviewed-on: https://gerrit.instructure.com/36650
Reviewed-by: Ben Chobot <e5c89c529dccb9b42716f4d9118d61079c883d9e@instructure.com>
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
Product-Review: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>
QA-Review: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>

efrj/canvas-lms,wrdsb/canvas-lms,shidao-fm/canvas-lms,redconfetti/canvas-lms,grahamb/canvas-lms,wrdsb/canvas-lms,efrj/canvas-lms,tgroshon/canvas-lms,whalejasmine/canvas-lms,greyhwndz/canvas-lms,redconfetti/canvas-lms,leftplusrightllc/canvas-lms,grahamb/canvas-lms,roxolan/canvas-lms,sfu/canvas-lms,leftplusrightllc/canvas-lms,SwinburneOnline/canvas-lms,usmschuck/canvas,kyroskoh/canvas-lms,sfu/canvas-lms,kyroskoh/canvas-lms,redconfetti/canvas-lms,jay3126/canvas-lms,va7map/canvas-lms,whalejasmine/canvas-lms,samuels410/greatlakes-lms,ShreniiNepal/shrenii_lmp,HotChalk/canvas-lms,va7map/canvas-lms,whalejasmine/canvas-lms,whalejasmine/canvas-lms,antoniuslin/canvas-lms,sdeleon28/canvas-lms,juoni/canvas-lms,sdeleon28/canvas-lms,sdeleon28/canvas-lms,venturehive/canvas-lms,tgroshon/canvas-lms,leftplusrightllc/canvas-lms,skmezanul/canvas-lms,jay3126/canvas-lms,roxolan/canvas-lms,fronteerio/canvas-lms,usmschuck/canvas,juoni/canvas-lms,wye0220/shindig-canvas,Jyaasa/canvas-lms,Unow/canvas-lms,fronteerio/canvas-lms,jay3126/canvas-lms,leftplusrightllc/canvas-lms,Jyaasa/canvas-lms,grahamb/canvas-lms,Rvor/canvas-lms,Rvor/canvas-lms,greyhwndz/canvas-lms,sfu/canvas-lms,utkarshx/canvas-lms,va7map/canvas-lms,greyhwndz/canvas-lms,Rvor/canvas-lms,wye0220/shindig-canvas,fronteerio/canvas-lms,grahamb/canvas-lms,djbender/canvas-lms,skmezanul/canvas-lms,roxolan/canvas-lms,Jyaasa/canvas-lms,kyroskoh/canvas-lms,greyhwndz/canvas-lms,roxolan/canvas-lms,Unow/canvas-lms,skmezanul/canvas-lms,juoni/canvas-lms,SwinburneOnline/canvas-lms,wrdsb/canvas-lms,redconfetti/canvas-lms,venturehive/canvas-lms,Rvor/canvas-lms,shidao-fm/canvas-lms,samuels410/greatlakes-lms,HotChalk/canvas-lms,kyroskoh/canvas-lms,sfu/canvas-lms,juoni/canvas-lms,venturehive/canvas-lms,va7map/canvas-lms,fronteerio/canvas-lms,antoniuslin/canvas-lms,djbender/canvas-lms,antoniuslin/canvas-lms,efrj/canvas-lms,SwinburneOnline/canvas-lms,grahamb/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,wrdsb/canvas-lms,tgroshon/canvas-lms,utkarshx/canvas-lms,tgroshon/canvas-lms,utkarshx/canvas-lms,venturehive/canvas-lms,skmezanul/canvas-lms,shidao-fm/canvas-lms,sdeleon28/canvas-lms,shidao-fm/canvas-lms,djbender/canvas-lms,efrj/canvas-lms,samuels410/greatlakes-lms,sfu/canvas-lms,ShreniiNepal/shrenii_lmp,ShreniiNepal/shrenii_lmp,jay3126/canvas-lms,utkarshx/canvas-lms,HotChalk/canvas-lms,samuels410/greatlakes-lms,usmschuck/canvas,Jyaasa/canvas-lms,Unow/canvas-lms,usmschuck/canvas,sfu/canvas-lms,ShreniiNepal/shrenii_lmp,SwinburneOnline/canvas-lms,wye0220/shindig-canvas,antoniuslin/canvas-lms,HotChalk/canvas-lms