Update V8 DEPS.

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/11685b6..ece477b

Rolling v8/third_party/catapult: https://chromium.googlesource.com/external/github.com/catapult-project/catapult/+log/0f1f20d..cc7953a

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

Change-Id: Ic687cb5f878438e46a9a64d67aaa7adc8519fb62
Reviewed-on: https://chromium-review.googlesource.com/590613Reviewed-by: v8 autoroll <v8-autoroll@chromium.org>
Commit-Queue: v8 autoroll <v8-autoroll@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46956}

DEPS

@@ -8,7 +8,7 @@ vars = {
 
 deps = {
   "v8/build":
-    Var("chromium_url") + "/chromium/src/build.git" + "@" + "11685b63a0cc1ebd1b9ba7ad07d850be474f3145",
+    Var("chromium_url") + "/chromium/src/build.git" + "@" + "ece477b2f8f02e5c4297a1dd6b4367bdb3939dfa",
   "v8/tools/gyp":
     Var("chromium_url") + "/external/gyp.git" + "@" + "d61a9397e668fa9843c4aa7da9e79460fe590bfb",
   "v8/third_party/icu":
@@ -48,7 +48,7 @@ deps_os = {
     "v8/third_party/android_tools":
       Var("chromium_url") + "/android_tools.git" + "@" + "e9d4018e149d50172ed462a7c21137aa915940ec",
     "v8/third_party/catapult":
-      Var('chromium_url') + "/external/github.com/catapult-project/catapult.git" + "@" + "0f1f20d4390ee04ef2ba3fcc5f7dd105f58bcacc",
+      Var('chromium_url') + "/external/github.com/catapult-project/catapult.git" + "@" + "cc7953a310bec01d56f52be2357db78af412d957",
   },
 }