ci: Disable Tizen (#4624)
ci: Disable Tizen (#4624)

Due to shaka-project/generic-webdriver-server#57, we can not communicate
with our Tizen TV in the lab. Until this is resolved, we must disable
the device in our Selenium grid config.
shaka-project/shaka-player,shaka-project/shaka-player,shaka-project/shaka-player,shaka-project/shaka-player