Roll Tint from fc5c5ab60b22 to 1a63c49b4e86 (2 revisions)

https://dawn.googlesource.com/tint.git/+log/fc5c5ab60b22..1a63c49b4e86

2020-10-08 dsinclair@chromium.org Update structs to allow multiple decorations
2020-10-08 dsinclair@chromium.org [type-determiner][spirv-writer] Add arrayLength support

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/tint-chromium-autoroll
Please CC kainino@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: kainino@google.com
Change-Id: I6661c8561b9b2e511761cf4e0a5c4322389173bb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2462139Reviewed-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@{#815313}

DEPS

@@ -357,7 +357,7 @@ vars = {
   'ukey2_revision': '0275885d8e6038c39b8a8ca55e75d1d4d1727f47',
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.
-  'tint_revision': 'fc5c5ab60b22e9d04fe4e2ab3594cd0205fd15a3',
+  'tint_revision': '1a63c49b4e864560e27003017b9c5ec0c7894efe',
 
   # TODO(crbug.com/941824): The values below need to be kept in sync
   # between //DEPS and //buildtools/DEPS, so if you're updating one,