Add Linux nVidia Vulkan jobs.

Change-Id: Ib323136e4c6f660923433a2508e1e0965712d698
Reviewed-on: https://skia-review.googlesource.com/53460
Commit-Queue: Ben Wagner <benjaminwagner@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
15 files changed