Print Preview Componentization: Fix more settings focus

Focus only the full more settings element, instead of just the action
link, since it looks odd. This is a better match for the behavior of
similar buttons/action links elsewhere (e.g. settings).

Bug: 863832
Cq-Include-Trybots: luci.chromium.try:closure_compilation
Change-Id: I3272d89b7014ed6aaeff56900858f9c2253274ca
Reviewed-on: https://chromium-review.googlesource.com/1139223
Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
Reviewed-by: Demetrios Papadopoulos <dpapad@chromium.org>
Cr-Commit-Position: refs/heads/master@{#578056}
6 files changed