test: Disable XboxOne (#4462)
test: Disable XboxOne (#4462)

Since we have been unable to solve #4234 (Xbox One disconnects from test runner), let's temporarily disable XboxOne from the lab to cut down on noise in our nightly tests.
shaka-project/shaka-player,shaka-project/shaka-player,shaka-project/shaka-player,shaka-project/shaka-player