Roll Dawn from a6ddb0e1164c to c0132622c1ff (8 revisions)

https://dawn.googlesource.com/dawn.git/+log/a6ddb0e1164c..c0132622c1ff

2021-08-11 dawn-autoroll@skia-public.iam.gserviceaccount.com Roll Tint from 5085efb748c9 to 3bcbfc7862ee (4 revisions)
2021-08-11 enga@chromium.org More spirv-cross related removal
2021-08-11 shrekshao@google.com Add validation for fragment output and attachment interface matching
2021-08-11 enga@chromium.org Don't enable GL backends by default if build_with_chromium
2021-08-11 enga@chromium.org D3D12: Only set the root signature when bind groups are applied
2021-08-11 enga@chromium.org Avoid [MTLDevice sampleTimestamps] unless the extension is enabled
2021-08-11 dawn-autoroll@skia-public.iam.gserviceaccount.com Roll Tint from bfb27f00d70a to 5085efb748c9 (1 revision)
2021-08-11 enga@chromium.org Add Adapter::SupportsExternalImages

Also rolling transitive DEPS:
  https://dawn.googlesource.com/tint from bfb27f00d70a to 3bcbfc7862ee

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

Cq-Include-Trybots: skia/skia.primary:Build-Debian10-Clang-x86_64-Debug-Dawn
Bug: None
Tbr: jrprice@google.com
Change-Id: I1e1d103faf3ac69a5e6b9ba6f06d84eecaef9ae4
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/438796
Reviewed-by: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index 398166b..3ddb844 100644
--- a/DEPS
+++ b/DEPS
@@ -16,10 +16,10 @@
   "third_party/externals/d3d12allocator"  : "https://skia.googlesource.com/external/github.com/GPUOpen-LibrariesAndSDKs/D3D12MemoryAllocator.git@169895d529dfce00390a20e69c2f516066fe7a3b",
   # Dawn requires jinja2 and markupsafe for the code generator, and tint for SPIRV compilation.
   # When the Dawn revision is updated these should be updated from the Dawn DEPS as well.
-  "third_party/externals/dawn"            : "https://dawn.googlesource.com/dawn.git@a6ddb0e1164cd2c75dfd4d80d56a32e2ff0dffef",
+  "third_party/externals/dawn"            : "https://dawn.googlesource.com/dawn.git@c0132622c1ff89370cce6c04c1f06d229e8aefb9",
   "third_party/externals/jinja2"          : "https://chromium.googlesource.com/chromium/src/third_party/jinja2@a82a4944a7f2496639f34a89c9923be5908b80aa",
   "third_party/externals/markupsafe"      : "https://chromium.googlesource.com/chromium/src/third_party/markupsafe@0944e71f4b2cb9a871bcbe353f95e889b64a611a",
-  "third_party/externals/tint"            : "https://dawn.googlesource.com/tint@bfb27f00d70a8ef571b24d43f7900b1a29708cdf",
+  "third_party/externals/tint"            : "https://dawn.googlesource.com/tint@3bcbfc7862ee4b4aa6cbdc83b92d6fe59bb0044d",
   "third_party/externals/dng_sdk"         : "https://android.googlesource.com/platform/external/dng_sdk.git@c8d0c9b1d16bfda56f15165d39e0ffa360a11123",
   "third_party/externals/egl-registry"    : "https://skia.googlesource.com/external/github.com/KhronosGroup/EGL-Registry@a0bca08de07c7d7651047bedc0b653cfaaa4f2ae",
   "third_party/externals/expat"           : "https://chromium.googlesource.com/external/github.com/libexpat/libexpat.git@a28238bdeebc087071777001245df1876a11f5ee",