Roll grit to revision 147.

147: Added support for Android and iOS to the grit policy generators.

BUG=None

Review URL: https://codereview.chromium.org/136793019

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245510 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -129,7 +129,7 @@ deps = {
     (Var("googlecode_url") % "snappy") + "/trunk@80",
 
   "src/tools/grit":
-    (Var("googlecode_url") % "grit-i18n") + "/trunk@146",
+    (Var("googlecode_url") % "grit-i18n") + "/trunk@147",
 
   "src/tools/gyp":
     (Var("googlecode_url") % "gyp") + "/trunk@1836",