Add xSAN jobs for Vulkan

Change-Id: Ib77bb0e14e0957ca48817f09246042a3c38519a4
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/261277
Commit-Queue: Ben Wagner aka dogben <benjaminwagner@google.com>
Auto-Submit: Ben Wagner aka dogben <benjaminwagner@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
2 files changed