📰 Show the Sign In promo as a separate card from the section

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

Index: chrome/android/java/res/values/dimens.xml
diff --git a/chrome/android/java/res/values/dimens.xml b/chrome/android/java/res/values/dimens.xml
index 0c8c0958e74096ffb6e359ce2dcaecc6da49af38..095e029163e5e9f00d59ae514e054d646e1f368a 100644
--- a/chrome/android/java/res/values/dimens.xml
+++ b/chrome/android/java/res/values/dimens.xml
@@ -279,6 +279,7 @@
     <dimen name="ntp_list_item_text_size">16sp</dimen>
     <dimen name="ntp_shadow_height">9dp</dimen>
     <dimen name="ntp_progress_indicator_diameter">56dp</dimen>
+    <dimen name="ntp_promo_card_margin">16dp</dimen>
     <dimen name="snippets_thumbnail_size">72dp</dimen>
     <dimen name="snippets_padding_and_peeking_card_height">16dp</dimen>
     <dimen name="snippets_card_9_patch_adjustment">2dp</dimen>
@@ -367,7 +368,7 @@
     <!-- Dialog dimensions.
          https://www.google.com/design/spec/components/dialogs.html#dialogs-simple-dialogs -->
     <dimen name="dialog_width_unit">56dp</dimen>  <!-- MD dialog widths are multiples of this. -->
-    
+
     <!-- Downloads dimensions. -->
     <dimen name="downloads_item_icon_size">48dp</dimen>
 </resources>