Update V8 DEPS.

Rolling v8/third_party/catapult: https://chromium.googlesource.com/external/github.com/catapult-project/catapult/+log/5e0a1c8..bffe083

TBR=machenbach@chromium.org,vogelheim@chromium.org,hablich@chromium.org

Review-Url: https://codereview.chromium.org/2671183002
Cr-Commit-Position: refs/heads/master@{#42943}

DEPS

@@ -47,7 +47,7 @@ deps_os = {
     "v8/third_party/android_tools":
       Var("chromium_url") + "/android_tools.git" + "@" + "b43a6a289a7588b1769814f04dd6c7d7176974cc",
     "v8/third_party/catapult":
-      Var('chromium_url') + "/external/github.com/catapult-project/catapult.git" + "@" + "5e0a1c814bd0fb93b9128147c5379304e0ae1dd1",
+      Var('chromium_url') + "/external/github.com/catapult-project/catapult.git" + "@" + "bffe08333114ccc5890fae5b9fbf3082394a46a5",
   },
   "win": {
     "v8/third_party/cygwin":