Import wpt@e955fbc72b5a98e1c2dc6a6c1a048886c8a99785

Using wpt-import in Chromium b9352a116c4dac0d71213638c599ab6009bceb1d.
With Chromium commits locally applied on WPT:
075c2ea3ac "Content-shell support for the SetRPHRegistrationMode webdriver command"
12977d15ed "Reland "webnn: Remove sync methods""
6649fe20bc "Add support for math expressions for border-image-slice interpolation"
eddb8aac0d "Use only sign() function and don't mark tests as tentative"
ebb27070e3 "webrtc wpt: add test for direction-based filtering of codecs"



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

NOAUTOREVERT=true
R=rubber-stamper@appspot.gserviceaccount.com

No-Export: true
Validate-Test-Flakiness: skip
Cq-Include-Trybots: luci.chromium.try:linux-blink-rel
Change-Id: I4a84b735f23d8ebc6f8c16f9f6488c7a7d75b5f3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5308775
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Auto-Submit: WPT Autoroller <wpt-autoroller@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1262569}