Reland "Relayout the launcher image search section."

This is a reland of commit 8b8dddad

The original cl was reverted because of undefined `preferred_width_`
in SearchResultImageView. Explicitly set it to 0 will fix the crash.
This is tested locally.

Original change's description:
> Relayout the launcher image search section.
>
> As the new layout spec is out for launcher image search, this cl
> updates the layout according to the spec.
> Spec: crbug/1352636#c14
>
> Bug: 1352636
> Change-Id: I2cd2bff62f8cd4441747d82f2cd9e493e2a57e83
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4560244


> Commit-Queue: Wen-Chien Wang <wcwang@chromium.org>
> Reviewed-by: Toni Barzic <tbarzic@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#1161975}

Bug: 1352636
Change-Id: I65e11c3f900a5543ac8f2c6f11cb3bee1cb7550a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4647872


Commit-Queue: Wen-Chien Wang <wcwang@chromium.org>
Reviewed-by: Toni Barzic <tbarzic@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1162686}