Update fonts.xml file for new noto fonts.

- Tibetan Bold, Symbols-Regular-Subsetted2.

Bug: 27531263
Bug: 26862061
Change-Id: I356bdf438748f29a6fbb5e199902fa574dd08da8
diff --git a/data/fonts/fonts.xml b/data/fonts/fonts.xml
index bcac6a1..117e17b 100644
--- a/data/fonts/fonts.xml
+++ b/data/fonts/fonts.xml
@@ -320,6 +320,7 @@
     </family>
     <family lang="und-Tibt">
         <font weight="400" style="normal">NotoSansTibetan-Regular.ttf</font>
+        <font weight="700" style="normal">NotoSansTibetan-Bold.ttf</font>
     </family>
     <family lang="und-Tfng">
         <font weight="400" style="normal">NotoSansTifinagh-Regular.ttf</font>
@@ -350,6 +351,9 @@
         <font weight="400" style="normal">NotoColorEmoji.ttf</font>
     </family>
     <family>
+        <font weight="400" style="normal">NotoSansSymbols-Regular-Subsetted2.ttf</font>
+    </family>
+    <family>
         <font weight="400" style="normal">DroidSansFallback.ttf</font>
     </family>
     <!--