Remove suppression for draw buffer and shader output mismatch validation

Filed an angle bug for vulkan: https://bugs.chromium.org/p/angleproject/issues/detail?id=3469

Bug: 927908
Change-Id: I8083a588bd95480e857ce88cac89d3ea393c106e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1620934
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Shrek Shao <shrekshao@google.com>
Cr-Commit-Position: refs/heads/master@{#661552}
2 files changed