Suppress failing Uniform test on AMD. This test exposes a driver bug in state query, where the AMD driver does not cast state values correctly. Suppress this for now but we can quickly turn it on with the Uniforms refactor, which does all of the necessary state retrieval within ANGLE without consulting the driver. BUG=angleproject:1123 Change-Id: I5c1f1c16e3a59582267de3365e388ffef4d57467 Reviewed-on: https://chromium-review.googlesource.com/296667 Tested-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org>