Small fixes for assets list
Small fixes for assets list

* Remove CK from Oops multi-DRM (CK PSSH cannot be used by Chrome)
* Disable PR in Unified Streaming clip (Edge/IE reject init segment)
* Add note to find live, multi-period test streams

Change-Id: I10ddfe18e9a5d0032135ebcd8b8dafae963f3001

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