Added support for sending minimal feedbacks with actor journals

This is to create a minimal feedback with an actor journal attached when
a response is rated negatively.

Note: the feedback recording logic is flag guarded and disabled by
default.

Bug: b:426537696
Change-Id: I859ecc2b5c9a5ca2e65e2b9cc978b567fd871023
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6700852
Reviewed-by: Carlos Knippschild <carlosk@chromium.org>
Commit-Queue: Baran Erfani <baranerf@google.com>
Cr-Commit-Position: refs/heads/main@{#1484019}
NOKEYCHECK=True
GitOrigin-RevId: 7ea34d011d0c6cca73c17555574632df37a7d4b0