Make LetterTileDrawables bold
am: b683c00778

* commit 'b683c00778e9b7b1c7c56f09d93795616030fa9f':
  Make LetterTileDrawables bold
diff --git a/res-common/values/strings.xml b/res-common/values/strings.xml
index e3fc643..fab8e97 100644
--- a/res-common/values/strings.xml
+++ b/res-common/values/strings.xml
@@ -730,7 +730,7 @@
 
     <!-- Font family used when drawing letters for letter tile avatars.
          Do not translate. -->
-    <string name="letter_tile_letter_font_family">sans-serif-light</string>
+    <string name="letter_tile_letter_font_family">sans-serif-medium</string>
 
     <!-- Content description for the fake action menu up button as used
      inside search. [CHAR LIMIT=NONE] -->