Roll DEPS for lss r11:r13.

Review URL: https://chromiumcodereview.appspot.com/10984005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@158459 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/DEPS b/DEPS
index 3256674..5ca326e 100644
--- a/DEPS
+++ b/DEPS
@@ -21,7 +21,7 @@
   "libjingle_revision": "193",
   "libphonenumber_revision": "456",
   "libvpx_revision": "152423",
-  "lss_revision": "11",
+  "lss_revision": "13",
 
   # These two FFmpeg variables must be updated together.  One is used for SVN
   # checkouts and the other for Git checkouts.