GitLab

 * "Modernizes" ntp - change bg color, tweak values for fake search box
   to real omnibox transition, change fake search box bg, update tablet
   style
 * Increases modern toolbar background height to 40dp
 * Fixes an omnibox suggestions alignment issue in RTL to better align
   with omibox actions container
 * Updates toolbar shadow for NTP scroll
 * Moves toolbar primary color initialization to ToolbarModelImpl
   constructor

BUG=803087,803088

Change-Id: Ic656b5de656296c3fe592e5a0a3e106472fa0419
Reviewed-on: https://chromium-review.googlesource.com/902966Reviewed-by: Ted Choc <tedchoc@chromium.org>
Reviewed-by: Matthew Jones <mdjones@chromium.org>
Commit-Queue: Theresa <twellington@chromium.org>
Cr-Commit-Position: refs/heads/master@{#534808}