GitLab

Adds support for a new Contextual Search Resolve-request parameter
to provide a list of fluent languages.  The server can use these
as additional hints from the Chrome Language Model for the
user's preferred languages to translate into.

BUG= 1084600, 1093833, 1095090

Change-Id: Ieece911ca84854effcd830f4d0d7ec64e088f700
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2261422
Commit-Queue: Donn Denman <donnd@chromium.org>
Reviewed-by: manuk hovanesian <manukh@chromium.org>
Auto-Submit: Donn Denman <donnd@chromium.org>
Cr-Commit-Position: refs/heads/master@{#781650}