https://chromium.googlesource.com/vulkan-deps.git/+log/91a2a0b15f23..3f4383f1d450

Changed dependencies:
* glslang: https://chromium.googlesource.com/external/github.com/KhronosGroup/glslang.git/+log/979319b9b1..2c7c84c8ac
* spirv-tools: https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools.git/+log/a732e4c03c..ecc840d30b
* vulkan-headers: https://chromium.googlesource.com/external/github.com/KhronosGroup/Vulkan-Headers.git/+log/89d366355e..a8d6ab19d1
* vulkan-loader: https://chromium.googlesource.com/external/github.com/KhronosGroup/Vulkan-Loader.git/+log/1353e80d87..5180defc01
* vulkan-tools: https://chromium.googlesource.com/external/github.com/KhronosGroup/Vulkan-Tools.git/+log/27c2124822..1d3ce716df
* vulkan-validation-layers: https://chromium.googlesource.com/external/github.com/KhronosGroup/Vulkan-ValidationLayers.git/+log/309d9bea09..b1a10a4bc6

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/vulkan-deps-angle-autoroll
Please CC cnorthrop@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/master/autoroll/README.md

Bug: None
Tbr: cnorthrop@google.com
Change-Id: I730b4b918d2b2ca94a96caf4df7986be09d2fe8c
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2786594
Bot-Commit: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>