Update V8 DEPS.

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/5dd7ff3..947f28d

Rolling v8/third_party/catapult: https://chromium.googlesource.com/external/github.com/catapult-project/catapult/+log/d979a85..e044353

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

Change-Id: I902b94f5b225847b4bf1ac5a3bea807f4a62e37a
Reviewed-on: https://chromium-review.googlesource.com/461959Reviewed-by: v8 autoroll <v8-autoroll@chromium.org>
Commit-Queue: v8 autoroll <v8-autoroll@chromium.org>
Cr-Commit-Position: refs/heads/master@{#44193}

DEPS

@@ -8,7 +8,7 @@ vars = {
 
 deps = {
   "v8/build":
-    Var("chromium_url") + "/chromium/src/build.git" + "@" + "5dd7ff3b70b7fdd5385e7dfc43040282c7b20c16",
+    Var("chromium_url") + "/chromium/src/build.git" + "@" + "947f28d0853ea517dcd475f06b6520dc34b8b740",
   "v8/tools/gyp":
     Var("chromium_url") + "/external/gyp.git" + "@" + "e7079f0e0e14108ab0dba58728ff219637458563",
   "v8/third_party/icu":
@@ -48,7 +48,7 @@ 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" + "@" + "d979a85ba63862fef57cf60299b3a0a0410a8b56",
+      Var('chromium_url') + "/external/github.com/catapult-project/catapult.git" + "@" + "e0443533f8b711fb13d283ad2740b62085a2b502",
   },
   "win": {
     "v8/third_party/cygwin":