[Snowflake] Unify toolbar text styles

+ Change omnibox/ntp search hint text color to 54% black
+ Change suggestion view list top and bottom padding to 8dp

BUG=723042

Review-Url: https://codereview.chromium.org/2930713002
Cr-Commit-Position: refs/heads/master@{#478833}

chrome/android/java/res/values-sw600dp/dimens.xml

@@ -37,10 +37,6 @@
     <!-- Recent tabs page -->
     <dimen name="recent_tabs_visible_separator_padding">28dp</dimen>
 
-    <!-- Omnibox suggestion list -->
-    <dimen name="omnibox_suggestion_list_padding_top">8dp</dimen>
-    <dimen name="omnibox_suggestion_list_padding_bottom">8dp</dimen>
-
     <!-- Web app dimensions -->
     <dimen name="webapp_splash_offset">48dp</dimen>
     <dimen name="webapp_splash_large_title_margin_bottom">8dp</dimen>

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

@@ -121,7 +121,7 @@
     <!-- NTP Colors. Used on the bookmarks and recent tabs pages. -->
     <color name="ntp_bg">#f2f2f2</color>
     <color name="ntp_bg_incognito">#222</color>
-    <color name="ntp_search_box_hint">#969696</color>
+    <color name="ntp_search_box_hint">@color/black_alpha_54</color>
     <color name="ntp_list_item_text">#333</color>
     <color name="ntp_list_header_text">#333</color>
     <color name="ntp_list_header_subtext">#969696</color>
@@ -158,7 +158,7 @@
     <color name="incognito_primary_color">#505050</color>
 
     <!-- LocationBar colors -->
-    <color name="locationbar_dark_hint_text">@color/black_alpha_38</color>
+    <color name="locationbar_dark_hint_text">@color/black_alpha_54</color>
     <color name="locationbar_light_hint_text">@color/white_alpha_70</color>
     <color name="locationbar_light_selection_color">#cc5595fe</color>
     <color name="locationbar_status_color">@color/black_alpha_54</color>

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

@@ -274,8 +274,8 @@
     <dimen name="omnibox_suggestion_height">60dp</dimen>
     <dimen name="omnibox_suggestion_answer_height">72dp</dimen>
     <dimen name="omnibox_suggestion_definition_height">95dp</dimen>
-    <dimen name="omnibox_suggestion_list_padding_top">0dp</dimen>
-    <dimen name="omnibox_suggestion_list_padding_bottom">0dp</dimen>
+    <dimen name="omnibox_suggestion_list_padding_top">8dp</dimen>
+    <dimen name="omnibox_suggestion_list_padding_bottom">8dp</dimen>
     <dimen name="omnibox_suggestion_first_line_text_size">16sp</dimen>
     <dimen name="omnibox_suggestion_second_line_text_size">14sp</dimen>
     <dimen name="omnibox_suggestion_answer_line2_vertical_spacing">3dp</dimen>