Roll src/third_party/dawn 17738b6d8c4f..970101a1028d (2 commits)

https://dawn.googlesource.com/dawn.git/+log/17738b6d8c4f..970101a1028d


git log 17738b6d8c4f..970101a1028d --date=short --no-merges --format='%ad %ae %s'
2019-06-12 bryan.bernhart@intel.com Improve D3D12 adapter initialization.
2019-06-12 idanr@google.com Add Vulkan / D3D12 indirect buffer flags


Created with:
  gclient setdep -r src/third_party/dawn@970101a1028d

The AutoRoll server is located here: https://autoroll.skia.org/r/dawn-chromium-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

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
TBR=cwallez@google.com

Change-Id: I6eb78799fa968d0f328fe51a3837244909a7c7f1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1655900
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@{#668595}

DEPS

@@ -273,7 +273,7 @@ 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': '17738b6d8c4f18b8a9045a18169cd499d9923647',
+  'dawn_revision': '970101a1028dbd2ec46028a2e40ae1a0974de1b3',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.