Roll src/third_party/spirv-cross/spirv-cross/ d638d2df9..287e93ff8 (5 commits)

https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Cross.git/+log/d638d2df9c8c..287e93ff80ee

$ git log d638d2df9..287e93ff8 --date=short --no-merges --format='%ad %ae %s'
2020-05-20 dsinclair Roll dependencies
2020-05-20 post GLSL: Add more test shaders for hit attribute types.
2020-05-20 post GLSL: Support ray payloads and hit attributes declared as Block.
2020-05-20 post GLSL: Add some more focused RT test shaders.
2020-05-19 post HLSL: Implement image queries for UAV images.

Created with:
  roll-dep src/third_party/spirv-cross/spirv-cross

TBR=cwallez@chromium.org

Bug: dawn:267
Change-Id: Id9d3c0124a78ab6eff9f6c02ea55fabe5ef31af3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2211923Reviewed-by: Jiawei Shao <jiawei.shao@intel.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Jiawei Shao <jiawei.shao@intel.com>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Cr-Commit-Position: refs/heads/master@{#771013}

DEPS

@@ -293,7 +293,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.
-  'spirv_cross_revision': 'd638d2df9c8c4a862e0af829cf49cc6dcbb235a2',
+  'spirv_cross_revision': '287e93ff80ee8788f326c9bab46a20645b7595c5',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.