Tidy up price drop on Tab Resumption

- Add gradient overlay behind product image (specification for price
drop is different to the default overlay)
- Explicitly use product image url to acquire image. Previously
we were relying on Tab Resumption's approach, however, they recently
started experimenting with different approaches (e.g. screenshot)
which is incompatible with our spec.
- Fix spacing between product URL title, domain name and price
drop chip. Previously the spacing was uneven. This was caused by
the number of lines for the title being set to 2. This is compatible
with our spec which has one line (and an ellipsis if we run out of
space)

Screenshot: https://screenshot.googleplex.com/Ad6Eto6aQ6yrtum

Bug: 394947346
Change-Id: I500c4f24c3ce2823532bdf6dafef20486aa231d1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6411874
Reviewed-by: Chris Lu <thegreenfrog@chromium.org>
Commit-Queue: David Maunder <davidjm@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1440561}