[AF] Enable dropdown refresh by default

Difference in tests are due to separators between suggestions
and footer are not sent in the suggestions list (we already did
that on Android).

A follow-up CL will delete the feature and all the code that
depends on it.

Bug: 831603
Change-Id: If2415782182ea7c0deb6d848ed7ae4f4964216f1
Reviewed-on: https://chromium-review.googlesource.com/1204835
Reviewed-by: Mathieu Perreault <mathp@chromium.org>
Commit-Queue: Mathieu Perreault <mathp@chromium.org>
Cr-Commit-Position: refs/heads/master@{#589155}
2 files changed