GitLab

In order to proceed the rollout for the password search feature in
http://cl/189730122, add the test group to the field trial config.

Change-Id: I281c4908826fee3247a66a29f94699044c9ec03e
Reviewed-on: https://chromium-review.googlesource.com/970344Reviewed-by: Gayane Petrosyan <gayane@chromium.org>
Commit-Queue: Friedrich Horschig <fhorschig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#544368}