Import wpt@87dc0418975505dc8a5ed8f1f2b1dd0474f019ce

Using wpt-import in Chromium 646466245efcc9ca18e5862179f2f6cd2d356853.
With Chromium commits locally applied on WPT:
c15c108392 "Add test that datachannels close when connection does."


Note to sheriffs: This CL imports external tests and adds
expectations for those tests; if this CL is large and causes
a few new failures, please fix the failures by adding new
lines to TestExpectations rather than reverting. See:
https://chromium.googlesource.com/chromium/src/+/master/docs/testing/web_platform_tests.md

Directory owners for changes in this CL:
binji@chromium.org:
  external/wpt/wasm

NOAUTOREVERT=true
TBR=foolip

No-Export: true
Change-Id: I2f5419797017ab28cddf06a88aee681dc5cd9052
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1980410
Reviewed-by: WPT Autoroller <wpt-autoroller@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: WPT Autoroller <wpt-autoroller@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#727137}