[Sheriff] Disable flaky test.

Disable flaky
virtual/fenced-frame-mparch/http/tests/inspector-protocol/fenced-frame/permissions-policy-fenced-frame.https.js

Bug: 1434378
Change-Id: I5768c67044ace7339ab9377d780617cc51b2417a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4557164
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Arthur Hemery <ahemery@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1148136}