Roll src/third_party/dawn ecf93472d42b..94efed23e7fb (1 commits)

https://dawn.googlesource.com/dawn.git/+log/ecf93472d42b..94efed23e7fb

git log ecf93472d42b..94efed23e7fb --date=short --first-parent --format='%ad %ae %s'
2020-05-05 cwallez@chromium.org Start adding docs about device facilities.

Created with:
  gclient setdep -r src/third_party/dawn@94efed23e7fb

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: None
Tbr: cwallez@google.com
Change-Id: I22e94a572854ad3f24308ae5753d14a072722e59
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2182621
Reviewed-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@{#765562}