Fix padding issues in First Run Account screen.

chrome/android/java/res/values/dimens.xml

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright 2014 The Chromium Authors. All rights reserved.
      Use of this source code is governed by a BSD-style license that can be
      found in the LICENSE file. -->
 
 <resources>
     <!-- Website Settings Popup Dimensions -->
     <dimen name="website_settings_popup_padding_sides">16dp</dimen>
     <dimen name="website_settings_popup_button_height">36dp</dimen>
     <dimen name="website_settings_popup_button_padding_sides">8dp</dimen>
@@ skipping 91 matching lines @@
     user picture. This is equivalent to a badged_user_picture_width of 46dp assuming a badge_radius
     of 10dp. -->
     <dimen name="badged_user_picture_width">46dp</dimen>
     <dimen name="badge_radius">10dp</dimen>
     <dimen name="badge_border_size">1.3dp</dimen>
 
     <!-- Account Chooser infobar Dimensions -->
     <dimen name="account_chooser_infobar_item_height">80dp</dimen>
 
     <!-- First Run Experience and Welcome Page dimensions -->
+    <dimen name="fre_button_padding">16dp</dimen>
     <dimen name="fre_margin">24dp</dimen>
     <dimen name="fre_title_text_size">24sp</dimen>
     <dimen name="fre_button_text_size">14sp</dimen>
     <dimen name="fre_button_padding">12dp</dimen>
     <dimen name="fre_normal_text_size">14sp</dimen>
     <dimen name="fre_image_carousel_width">260dp</dimen>
     <dimen name="fre_image_carousel_height">130dp</dimen>
     <dimen name="fre_checkmark_size">38dp</dimen>
     <dimen name="fre_tos_checkbox_padding">12dp</dimen>
 
     <!-- Sign-in promo dimensions -->
     <dimen name="sign_in_promo_padding_bottom">16dp</dimen>
 
     <!-- Autofill card unmasking prompt dimensions -->
     <dimen name="autofill_card_unmask_tooltip_horizontal_padding">16dp</dimen>
     <dimen name="autofill_card_unmask_tooltip_vertical_padding">4dp</dimen>
 
     <!-- Cast related constants -->
     <dimen name="remote_notification_logo_max_width">@android:dimen/notification_large_icon_width</dimen>
     <dimen name="remote_notification_logo_max_height">64dp</dimen>
 </resources>