include Padauk in fallback chain

Bug: 10625246
Change-Id: I32530a992beeafe2ee16da36f0dc0a752c647cc6
diff --git a/data/fonts/fallback_fonts.xml b/data/fonts/fallback_fonts.xml
index 16d760c..ac99518 100644
--- a/data/fonts/fallback_fonts.xml
+++ b/data/fonts/fallback_fonts.xml
@@ -131,6 +131,12 @@
     </family>
     <family>
         <fileset>
+            <file>Padauk-book.ttf</file>
+            <file>Padauk-bookbold.ttf</file>
+        </fileset>
+    </family>
+    <family>
+        <fileset>
             <file>AndroidEmoji.ttf</file>
         </fileset>
     </family>