Print Preview dropdowns: Add extra padding

UX requested additional padding (change from 21px to 32px) for the end
of dropdowns, so that the text does not come as close to the icon.

Bug: 920056
Change-Id: Ibac1c2852386c5e4514b32324cdcda42a77ea61e
Reviewed-on: https://chromium-review.googlesource.com/c/1423839
Reviewed-by: Demetrios Papadopoulos <dpapad@chromium.org>
Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
Cr-Commit-Position: refs/heads/master@{#625054}
1 file changed