Add trustedScoringSignalsCoordinator to auction config
Add trustedScoringSignalsCoordinator to auction config for trusted
scoring signals KVv2 fetching.
Also add maxTrustedBiddingSignalsURLLength case for interest groups
in devtools_serialization.cc.
Explainer update: WICG/turtledove#1264
Bug: 337917489
Change-Id: I0061c914862513069658921a245b91c6e7958b08
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5805217
Commit-Queue: Tianyang Xu xtlsheep@google.com
Reviewed-by: Caleb Raitto caraitto@chromium.org
Reviewed-by: Ken Buchanan kenrb@chromium.org
Cr-Commit-Position: refs/heads/main@{#1348785}