Import wpt@a9c74d5a999b5fbf5fd8895078b0fd6c4cf1f3b3

Using wpt-import in Chromium 992d7079.
With Chromium commits locally applied on WPT:
075c2ea3 "Content-shell support for the SetRPHRegistrationMode webdriver command"
28edb18f "Fix WPT typo (method name)"
42290b24 "wpt: Fix test_driver's minimize/restore functions."
8fe81402 "Extending idbobjectstores_add Web platform test coverage"
0aea17f4 "DOM: Implement the `take()` Observable operator"



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/+/main/docs/testing/web_platform_tests.md

Directory owners for changes in this CL:
hbos@chromium.org, hta@chromium.org, guidou@chromium.org, phancke@microsoft.com:
  external/wpt/webrtc

NOAUTOREVERT=true

No-Export: true
Validate-Test-Flakiness: skip
Cq-Include-Trybots: luci.chromium.try:linux-blink-rel
Change-Id: Ib7a6b9a62bc9de5a5b2da3b580fcca8e461e1016
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5317789


Reviewed-by: Jonathan Lee <jonathanjlee@google.com>
Commit-Queue: Jonathan Lee <jonathanjlee@google.com>
Auto-Submit: WPT Autoroller <wpt-autoroller@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1264067}