Make my_activity.py peruse the Skia bugtracker too

BUG=none


Review URL: https://chromiumcodereview.appspot.com/11414163

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@169447 0039d316-1c4b-4281-b951-d872f2087c98

my_activity.py

@@ -141,7 +141,10 @@ google_code_projects = [
   },
   {
     'name': 'gyp',
-  }
+  },
+  {
+    'name': 'skia',
+  },
 ]
 
 bugzilla_instances = [