Vulkan: Fix VVL warnings on extensions that are not enabled Bug: chromium:1266094 Change-Id: Idbae6cbe2c5593665438d118f17d184f8a81f0d9 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3274932 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>