Update font family

For notification settings, to match the inline settings

Test: manual
Fixes: 153886531
Change-Id: Ie338080bd35a8dc2715330f3b82c272b0be81d54
(cherry picked from commit edb8dd0ec4e110ddd0667886dc6c95284b2d14a8)
diff --git a/res/values/styles.xml b/res/values/styles.xml
index c74a1a2..1be8ba0 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -618,7 +618,7 @@
 
     <style name="TextAppearance.NotificationImportanceButton">
         <item name="android:textSize">@dimen/notification_importance_button_text</item>
-        <item name="android:fontFamily">@*android:string/config_bodyFontFamilyMedium</item>
+        <item name="android:fontFamily">@*android:string/config_headlineFontFamilyMedium</item>
         <item name="android:gravity">center</item>
     </style>