Add new test asset for TTML
Add new test asset for TTML

Issue #111

Change-Id: Ifb1dde142c8acee5a2e67b8a76ddea743af957d3

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