Roll Dawn from ef869c2d01d5 to 001b499275e1 (8 revisions)

https://dawn.googlesource.com/dawn.git/+log/ef869c2d01d5..001b499275e1

2021-01-21 rharrison@chromium.org Adding stage input/output reflection to inspector path
2021-01-21 dsinclair@chromium.org Update vertex index decoration names.
2021-01-21 cwallez@chromium.org Vulkan: Enable barrier validation using VK_EXT_validation_features.
2021-01-21 bclayton@google.com TextureFormatUtils: Remove unused functions
2021-01-21 bclayton@google.com Convert StorageTextureValidationTests to WGSL
2021-01-21 cwallez@chromium.org Vulkan: Add support for layer extensions.
2021-01-21 cwallez@chromium.org Vulkan: Fix layout of Sampled+ROStorage texture.
2021-01-21 cwallez@chromium.org Vulkan: Use ityp::bitset for Instance/DeviceExtSet

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/dawn-chromium-autoroll
Please CC sarahmashay@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

Cq-Include-Trybots: luci.chromium.try:dawn-linux-x64-deps-rel;luci.chromium.try:dawn-mac-x64-deps-rel;luci.chromium.try:dawn-win10-x64-deps-rel;luci.chromium.try:dawn-win10-x86-deps-rel
Bug: None
Tbr: sarahmashay@google.com
Change-Id: Icaa67fc910f4e3b80f542bd330fa996c97f82576
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2642983Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#845708}

DEPS

@@ -318,7 +318,7 @@ 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.
-  'dawn_revision': 'ef869c2d01d5241ba8d16e6863e8595bc1fac9fd',
+  'dawn_revision': '001b499275e1354cc1198f5e7a50509aabe28be7',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.