Print Preview: Fix more-settings touch bug

Add margin on the contents of more-settings instead of around it like
for other sections, since the entire element is a touch target.

Bug: 966349
Change-Id: I6058492f03d1188ea375d59790e11a18680351cf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1629130
Reviewed-by: Hector Carmona <hcarmona@chromium.org>
Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
Cr-Commit-Position: refs/heads/master@{#663310}
1 file changed