Roll Syzygy DEPS to latest release build (0.2.29.1, built from r1769, checked in at r1770).

R=siggi@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/23506034

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@221727 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -314,7 +314,7 @@ deps_os = {
     # Binary level profile guided optimizations. This points to the
     # latest release binaries for the toolchain.
     "src/third_party/syzygy/binaries":
-      (Var("googlecode_url") % "sawbuck") + "/trunk/syzygy/binaries@1762",
+      (Var("googlecode_url") % "sawbuck") + "/trunk/syzygy/binaries@1770",
 
     # Binaries for nacl sdk.
     "src/third_party/nacl_sdk_binaries":