Roll Tint from 195917c0be32 to c82eeeef0783 (11 revisions)

https://dawn.googlesource.com/tint.git/+log/195917c0be32..c82eeeef0783

2020-12-09 dneto@google.com re-enable Tint testing
2020-12-09 dneto@google.com spirv-reader: convert signedness of texturing result when needed
2020-12-09 bclayton@google.com Implement textureLoad()
2020-12-09 bclayton@google.com transform: Fix Manager::Run() with no transforms
2020-12-09 cwallez@chromium.org CMake: Add a flag to control whether to built tint_unittests
2020-12-09 dneto@google.com spirv-reader: Fix signedness for extended instructions
2020-12-09 dneto@google.com spirv-reader: support ldexp
2020-12-08 dneto@google.com Fix doxygen for src/transform/first_index_offset.h
2020-12-08 enrico.galli@intel.com [transform] Add first index offset transform
2020-12-08 bclayton@google.com Fix spelling mistake in comment
2020-12-08 bclayton@google.com Update texture intrinsic writer tests for signed params

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 rharrison@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: rharrison@google.com
Change-Id: Iff77df4fcfc1c826d7eaed5d0c62fdacaad586b4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2582686Reviewed-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@{#835356}

DEPS

@@ -365,7 +365,7 @@ vars = {
   'ukey2_revision': '0275885d8e6038c39b8a8ca55e75d1d4d1727f47',
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.
-  'tint_revision': '195917c0be32942769106bb4ae35194b23921664',
+  'tint_revision': 'c82eeeef07833bf1d4ed5f3aefbcbef317fd014d',
 
   # TODO(crbug.com/941824): The values below need to be kept in sync
   # between //DEPS and //buildtools/DEPS, so if you're updating one,