Roll third party dependencies

Roll third_party/spirv-tools/ 8f4b35c33..f3ccb633d (11 commits)

https://chromium.googlesource.com/external/github.com/KhronosGroup//SPIRV-Tools.git/+log/8f4b35c332e1..f3ccb633dfd7

$ git log 8f4b35c33..f3ccb633d --date=short --no-merges --format='%ad %ae %s'
2021-01-07 dneto use std::string::empty() to test for emptiness (#4098)
2021-01-07 46493288+sfricke-samsung spirv-val: Label standalone Vulkan VUID (#4091)
2021-01-06 46493288+sfricke-samsung spirv-val: Add Vulkan decroation VUID (#4090)
2021-01-06 stevenperron Fix binding number calculation in desc sroa (#4095)
2021-01-06 stevenperron Build deps: dump ini from 1.3.5 to 1.3.7 in tools/sva (#4092)
2021-01-06 46493288+sfricke-samsung spirv-val: Add Vulkan FP Mode VUID (#4088)
2021-01-06 46493288+sfricke-samsung spirv-val: Fix Vulkan image sampled check (#4085)
2021-01-06 46493288+sfricke-samsung spirv-val: Add Vulkan ForwardPointer VUID (#4089)
2021-01-06 46493288+sfricke-samsung spirv-val: Add Vulkan ImageTexelPointer format check (#4087)
2021-01-05 46493288+sfricke-samsung spirv-val: Add Vulkan Group Operation VUID (#4086)
2020-12-17 46493288+sfricke-samsung spirv-val: Add first StandAlone VUID 04633 (#4077)

Created with:
  roll-dep third_party/spirv-tools

Change-Id: Ia8b6b998358881be7c48f84a6a046827d09d7743

Roll third_party/gpuweb-cts/ 46c7b591c..1ba84a62a (12 commits)

https://chromium.googlesource.com/external/github.com/gpuweb/cts.git/+log/46c7b591c20e..1ba84a62ae24

$ git log 46c7b591c..1ba84a62a --date=short --no-merges --format='%ad %ae %s'
2021-01-07 kainino Organize and rename some tests (#429)
2021-01-07 kainino Add plans for texture view reads/writes (#430)
2021-01-07 9856269+sarahM0 [wgsl] Add validation test - v-0033: If  the initializer is present, it's store type must match the store type of the variable. (#418)
2021-01-07 9856269+sarahM0 [wgsl] Add validation test - v-0034: The access decoration must only appear on a type used as the store type for a variable in the storage storage class. (#420)
2021-01-06 9856269+sarahM0 [wgsl] add validation test - v-0035: The access decoration is required for variables in the storage storage class. (#421)
2021-01-06 9856269+sarahM0 [wgsl] Add validation test - v-0036: Module scope variable must not be in the function storage class.
2021-01-06 9856269+sarahM0 [wgsl] Add validation test - v-0037: Module scope variables must be declared with an explicit storage class decoration.
2021-01-06 9856269+sarahM0 [wgsl] Add validation test - v-0032: constraints on module variables with an initializers (#417)
2020-12-23 jiawei.shao Add T2T operation tests for all the compressed color formats (#412)
2020-12-22 kainino Catch exceptions in expectValidationError (#416)
2020-12-21 kainino clarify pull request template
2020-12-18 kainino Test fixes found by Chromium automated testing (#415)

Created with:
  roll-dep third_party/gpuweb-cts

Change-Id: I9ce04555e4f34259ad501fdae5bda0a8a146a9a8

Roll third_party/googletest/ 18f8200e3..389cb68b8 (3 commits)

https://chromium.googlesource.com/external/github.com/google/googletest.git/+log/18f8200e3079..389cb68b8719

$ git log 18f8200e3..389cb68b8 --date=short --no-merges --format='%ad %ae %s'
2020-12-21 absl-team Googletest export
2020-12-15 dmauro Googletest export
2020-10-30 chuck.atkins Bump CMake minimum to 2.8.12

Created with:
  roll-dep third_party/googletest

Change-Id: Id4aaff4448fdc6f40c2364ead8ebdc7fe8f699f2
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/37060
Reviewed-by: David Neto <dneto@google.com>
Commit-Queue: David Neto <dneto@google.com>

DEPS

diff --git a/DEPS b/DEPS
index 941c02f..8250259 100644
--- a/DEPS
+++ b/DEPS
@@ -10,10 +10,10 @@
   'buildtools_revision': 'ff93f3ea1a7f033d3caf8f60ec1937cc71351419',
   'clang_revision': 'fcef86e30a0ab061b982b5c9d91bb060df8f5269',
   'cpplint_revision': '305ac8725a166ed42e3f5dd3f80d6de2cf840ef1',
-  'googletest_revision': '18f8200e3079b0e54fa00cb7ac55d4c39dcf6da6',
-  'gpuweb_cts_revision': '46c7b591c20e9a15302f525e85b05e7b2f64b48b',
+  'googletest_revision': '389cb68b87193358358ae87cc56d257fd0d80189',
+  'gpuweb_cts_revision': '1ba84a62ae24c085faa8b74469907cf065a5d555',
   'spirv_headers_revision': 'f027d53ded7e230e008d37c8b47ede7cd308e19d',
-  'spirv_tools_revision': '8f4b35c332e1b8dab2b5b8c56363bb106d335998',
+  'spirv_tools_revision': 'f3ccb633dfd7c5de1f9f0a2d2e9d7a25f2478206',
   'testing_revision': '2691851e49de541c3fe42fa8692ddcdee938162f',
 }