Sync demo assets with info from other branch.
Sync demo assets with info from other branch.

Change-Id: Idf845a2e34e4d50f06740ecdffdbd638918a0d38

tvoli/shaka-player,shaka-project/shaka-player,tvoli/shaka-player,shaka-project/shaka-player,shaka-project/shaka-player,shaka-project/shaka-player,tvoli/shaka-player,tvoli/shaka-player