Roll SPIRV-Tools from 640b17b5fbc6 to 2685c9a687b5 (1 revision)

https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools.git/+log/640b17b5fbc6..2685c9a687b5

2021-07-15 jmadill@chromium.org Add missing fuzzer header dependency. (#4381)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/spirv-tools-vulkan-deps-autoroll
Please CC radial-bots+chrome-roll@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Tbr: radial-bots+chrome-roll@google.com
Change-Id: I999798f4297d0dc6bb5ff3c29f445f34f58caf94
Reviewed-on: https://chromium-review.googlesource.com/c/vulkan-deps/+/3031968
Bot-Commit: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>

• DEPS[diff]