Roll Dawn from 6db3a24c19e7 to 75e5ed6161fc (5 revisions)

https://dawn.googlesource.com/dawn.git/+log/6db3a24c19e7..75e5ed6161fc

2020-09-23 shaobo.yan@intel.com Support Noop Copy for B2T, T2B and T2T Copies
2020-09-23 cwallez@chromium.org Fix deprecation errors for indexFormat being set.
2020-09-23 cwallez@chromium.org Fix compilation on ChromeOS
2020-09-22 enga@chromium.org Pass the old/new VkImageLayouts to Vulkan image import/export
2020-09-22 brandon1.jones@intel.com Change wgpu::Color from floats to doubles

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 cwallez@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: cwallez@google.com
Change-Id: I1c3b392c89abcb0e87dca1993cfc880db3a10223
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2425895Reviewed-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@{#809771}

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': '6db3a24c19e7580a0aaee7aff8a52c16489c6abe',
+  'dawn_revision': '75e5ed6161fcb3a79cbf584c273ff7eac84956a9',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.