Don't mark MediaTracksController as an API
Don't mark MediaTracksController as an API

Further API infrastructure needs to be done to support API methods that
don't require a logged-in user or auth token, so these aren't actual
APIs yet.

Change-Id: I6080a1c37e3554ac1285b431e275812ebf4f96eb
Reviewed-on: https://gerrit.instructure.com/17479
Reviewed-by: Bracken Mosbacker <48b846001bca4166dc3fb7711563afc17525921e@instructure.com>
QA-Review: Bracken Mosbacker <48b846001bca4166dc3fb7711563afc17525921e@instructure.com>
Reviewed-by: Rob Orton <7e09c9d3e96378bf549fc283fd6e1e5b7014cc33@instructure.com>
QA-Review: Rob Orton <7e09c9d3e96378bf549fc283fd6e1e5b7014cc33@instructure.com>
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>

arrivu/qibla-ecampus,SwinburneOnline/canvas-lms,antoniuslin/canvas-lms,va7map/canvas-lms,arrivu/arrivu-lms,usmschuck/canvas,jay3126/canvas-lms,rup/Tarrax,redconfetti/canvas-lms,arrivu/jigsaw-lms,efrj/canvas-lms,juoni/canvas-lms,roxolan/canvas-lms,whalejasmine/canvas-lms,utkarshx/canvas-lms,grahamb/canvas-lms,djbender/canvas-lms,usmschuck/canvas,grahamb/canvas-lms,arrivu/qibla-ecampus,va7map/canvas-lms,whalejasmine/canvas-lms,Unow/canvas-lms,arrivu/hoodemo,utkarshx/canvas-lms,tgroshon/canvas-lms,sdeleon28/canvas-lms,ShreniiNepal/shrenii_lmp,sli7246/canvas_branch,leftplusrightllc/canvas-lms,juoni/canvas-lms,Unow/ins,landonwilkins/canvas-lms,nditech/red-innovadores-lms,kyroskoh/canvas-lms,arrivu/arrivu-lms,HotChalk/canvas-lms,usmschuck/canvas,tgroshon/canvas-lms,arrivu/arrivu-lms,djbender/canvas-lms,efrj/canvas-lms,rup/Tarrax,SwinburneOnline/canvas-lms,rup/Tarrax,shidao-fm/canvas-lms,kyroskoh/canvas-lms,jay3126/canvas-lms,landonwilkins/canvas-lms,loganrun/pincan,redconfetti/canvas-lms,skmezanul/canvas-lms,wimemx/Canvas,antoniuslin/canvas-lms,parbros/red-innovadores-lms,va7map/canvas-lms,venturehive/canvas-lms,HotChalk/canvas-lms,nditech/red-innovadores-lms,samuels410/greatlakes-lms,tgroshon/canvas-lms,roxolan/canvas-lms,nditech/red-innovadores-lms,Jyaasa/canvas-lms,grahamb/canvas-lms,sli7246/canvas_branch,landonwilkins/canvas-lms,samuels410/greatlakes-lms,sfu/canvas-lms,Jyaasa/canvas-lms,nditech/red-innovadores-lms,arrivu/qibla-ecampus,merichar/canvas-lms,roxolan/canvas-lms,wye0220/shindig-canvas,utkarshx/canvas-lms,sfu/canvas-lms,Rvor/canvas-lms,wye0220/shindig-canvas,Rvor/canvas-lms,sfu/canvas-lms,usmschuck/canvas,leftplusrightllc/canvas-lms,arrivu/jigsaw-lms,ShreniiNepal/shrenii_lmp,Unow/ins,fronteerio/canvas-lms,sfu/canvas-lms,shidao-fm/canvas-lms,djbender/canvas-lms,sli7246/canvas_branch,skmezanul/canvas-lms,fronteerio/canvas-lms,shidao-fm/canvas-lms,arrivu/hoodemo,fronteerio/canvas-lms,Unow/canvas-lms,shidao-fm/canvas-lms,jay3126/canvas-lms,venturehive/canvas-lms,djbender/canvas-lms,utkarshx/canvas-lms,loganrun/pincan,wimemx/Canvas,wimemx/Canvas,greyhwndz/canvas-lms,arrivu/jigsaw-lms,Jyaasa/canvas-lms,jay3126/canvas-lms,merichar/canvas-lms,Rvor/canvas-lms,roxolan/canvas-lms,sfu/canvas-lms,Rvor/canvas-lms,Unow/ins,landonwilkins/canvas-lms,greyhwndz/canvas-lms,redconfetti/canvas-lms,wrdsb/canvas-lms,arrivu/hoodemo,va7map/canvas-lms,skmezanul/canvas-lms,greyhwndz/canvas-lms,sdeleon28/canvas-lms,merichar/canvas-lms,wrdsb/canvas-lms,samuels410/greatlakes-lms,leftplusrightllc/canvas-lms,whalejasmine/canvas-lms,whalejasmine/canvas-lms,antoniuslin/canvas-lms,Jyaasa/canvas-lms,leftplusrightllc/canvas-lms,HotChalk/canvas-lms,ShreniiNepal/shrenii_lmp,fronteerio/canvas-lms,kyroskoh/canvas-lms,SwinburneOnline/canvas-lms,sfu/canvas-lms,HotChalk/canvas-lms,parbros/red-innovadores-lms,kyroskoh/canvas-lms,parbros/red-innovadores-lms,efrj/canvas-lms,wye0220/shindig-canvas,tgroshon/canvas-lms,venturehive/canvas-lms,juoni/canvas-lms,efrj/canvas-lms,SwinburneOnline/canvas-lms,redconfetti/canvas-lms,venturehive/canvas-lms,sdeleon28/canvas-lms,loganrun/pincan,wrdsb/canvas-lms,sdeleon28/canvas-lms,sfu/canvas-lms,grahamb/canvas-lms,ShreniiNepal/shrenii_lmp,juoni/canvas-lms,skmezanul/canvas-lms,antoniuslin/canvas-lms,Unow/canvas-lms,wrdsb/canvas-lms,samuels410/greatlakes-lms,greyhwndz/canvas-lms,grahamb/canvas-lms