Roll SPIRV-Tools from b846f8f1dc2d to 7fa9e746ef81 (1 revision)

https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools.git/+log/b846f8f1dc2d..7fa9e746ef81

2022-02-02 syoussefi@google.com Introduce spirv-diff (#4611)

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: I1c39eb80275b6edba5c8db5a58556a26f80436c5
Reviewed-on: https://chromium-review.googlesource.com/c/vulkan-deps/+/3431868
Bot-Commit: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>

• DEPS[diff]