Do not compute coverage over debug code
Do not compute coverage over debug code

Code coverage stats for debug code does not matter and skews the
report.

Change-Id: Id639a548681c22e8b4760f6e8520e68bcad67356

russitto/shaka-player,tvoli/shaka-player,TobbeEdgeware/shaka-player,baconz/shaka-player,shaka-project/shaka-player,TheModMaker/shaka-player,vimond/shaka-player,Ross-cz/shaka-player,TobbeEdgeware/shaka-player,brightcove/shaka-player,vimond/shaka-player,tvoli/shaka-player,cmgrecu/shaka-player,shaka-project/shaka-player,TheModMaker/shaka-player,cmgrecu/shaka-player,cmgrecu/shaka-player,shaka-project/shaka-player,brightcove/shaka-player,Ross-cz/shaka-player,ustudio/shaka-player,baconz/shaka-player,ustudio/shaka-player,ustudio/shaka-player,tvoli/shaka-player,TheModMaker/shaka-player,ustudio/shaka-player,TheModMaker/shaka-player,shaka-project/shaka-player,indiereign/shaka-player,indiereign/shaka-player,Ross-cz/shaka-player,russitto/shaka-player,russitto/shaka-player,tvoli/shaka-player,TobbeEdgeware/shaka-player,brightcove/shaka-player,baconz/shaka-player,indiereign/shaka-player,vimond/shaka-player