Skip WebGLCompatibilityTest.InvalidTextureFormat on Ozone. Attempting to figure out why the Linux Ozone (Intel) is failing. BUG=779346 Change-Id: I94bb50f0b7746c90fe31ea1a9107319864d85438 Reviewed-on: https://chromium-review.googlesource.com/746372 Reviewed-by: Geoff Lang <geofflang@chromium.org>