Tweak searchbar padding

Change-Id: Ied7b803ae05eb8d69b478675c7c3e66fb39e4d1c
Fixes: 72317470
Test: visual
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index d6f3cb5..12193c4 100755
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -119,8 +119,8 @@
     <!-- The following two margins need to match, with the caveat that
          the second should be negative. The second one ensures that the icons and text
          align despite the additional padding caused by the search bar's card background. -->
-    <dimen name="search_bar_margin">8dp</dimen>
-    <dimen name="search_bar_negative_margin">-8dp</dimen>
+    <dimen name="search_bar_margin">16dp</dimen>
+    <dimen name="search_bar_negative_margin">-16dp</dimen>
 
     <dimen name="search_bar_height">48dp</dimen>
     <dimen name="search_bar_corner_radius">2dp</dimen>