Fix yahoo search url where url 'http://search.yahoo.com' is
redirected to 'http://sg.search.yahoo.com/' (in China only)
and query string is lost in redirection

Change-Id: I4a7f1714161448461c37d9620f8469e6ef6febeb
diff --git a/res/values/all_search_engines.xml b/res/values/all_search_engines.xml
index 5a1de96..042bca5 100644
--- a/res/values/all_search_engines.xml
+++ b/res/values/all_search_engines.xml
@@ -159,8 +159,8 @@
   <string-array name="yahoo_cn" translatable="false">
     <item>&#x4e2d;&#x56fd;&#x96c5;&#x864e;</item>
     <item>cn.yahoo.com</item>
-    <item>http://search.yahoo.com/favicon.ico</item>
-    <item>http://search.yahoo.com/search?ei={inputEncoding}&amp;fr=crmas&amp;p={searchTerms}</item>
+    <item>http://sg.search.yahoo.com/favicon.ico</item>
+    <item>http://sg.search.yahoo.com/search?ei={inputEncoding}&amp;fr=crmas&amp;p={searchTerms}</item>
     <item>UTF-8</item>
     <item></item>
   </string-array>