Fix capitalization of some search filters.
Fix capitalization of some search filters.

Change-Id: I2574db970e5dc201678ebec2e3180a2e18cf6e7b

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