Update spacing in suggestion/condition header and footer.

Adjust the top/bottom padding for the header and footer so that the
content is center-aligned.

Change-Id: I01c0baf770abf3a8767a016a758ee1794403598b
Fix: 63670820
Test: Visual
diff --git a/res/layout/suggestion_condition_header.xml b/res/layout/suggestion_condition_header.xml
index 4519a46..2551b65 100644
--- a/res/layout/suggestion_condition_header.xml
+++ b/res/layout/suggestion_condition_header.xml
@@ -20,16 +20,13 @@
     style="@style/SuggestionConditionStyle"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
+    android:paddingTop="10dp"
+    android:paddingBottom="10dp"
     android:orientation="vertical">
 
-    <Space
-        android:id="@+id/top_space"
-        android:layout_width="match_parent"
-        android:layout_height="9dp"/>
-
     <RelativeLayout
         android:layout_width="match_parent"
-        android:layout_height="35dp"
+        android:layout_height="36dp"
         android:layout_centerHorizontal="true">
 
         <FrameLayout
@@ -87,8 +84,4 @@
 
     </RelativeLayout>
 
-    <Space
-        android:layout_width="match_parent"
-        android:layout_height="12dp"/>
-
 </LinearLayout>