Roll src/third_party/dawn f28d0ae61457..f44a809f9a3b (2 commits)

https://dawn.googlesource.com/dawn.git/+log/f28d0ae61457..f44a809f9a3b

git log f28d0ae61457..f44a809f9a3b --date=short --first-parent --format='%ad %ae %s'
2020-01-31 kainino@chromium.org Remove VK_DEFINE_NON_DISPATCHABLE_HANDLE magic, use explicit VkHandle wrapper
2020-01-31 enga@chromium.org [docs] Add documentation for Dawn's testing infrastructure

Created with:
  gclient setdep -r src/third_party/dawn@f44a809f9a3b

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/+/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: chromium:1046362
Tbr: cwallez@google.com
Change-Id: Ia6733a40384a8bea2380f8132a0ac1d246690cb6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2032579Reviewed-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@{#737219}

DEPS

@@ -308,7 +308,7 @@ 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': 'f28d0ae6145737e61b069cf56475a10c903345d6',
+  'dawn_revision': 'f44a809f9a3b6506df5cc1105198ed136c6b26ec',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.