Update V8 DEPS.

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/ed0758e..7968040

Rolling v8/third_party/catapult: https://chromium.googlesource.com/external/github.com/catapult-project/catapult/+log/1e91982..df67b47

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

Change-Id: I80660e6eca542bfe76d5f78656c38583829eab90
Reviewed-on: https://chromium-review.googlesource.com/438964Reviewed-by: v8 autoroll <v8-autoroll@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#42979}

DEPS

@@ -8,7 +8,7 @@ vars = {
 
 deps = {
   "v8/build":
-    Var("chromium_url") + "/chromium/src/build.git" + "@" + "ed0758ee39b91652021d005f1f058d3d60ab585f",
+    Var("chromium_url") + "/chromium/src/build.git" + "@" + "79680409769ae98500c323cef9ebafcafc054287",
   "v8/tools/gyp":
     Var("chromium_url") + "/external/gyp.git" + "@" + "e7079f0e0e14108ab0dba58728ff219637458563",
   "v8/third_party/icu":
@@ -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" + "@" + "1e9198268428eaf0a987054dd0146d153a0682c8",
+      Var('chromium_url') + "/external/github.com/catapult-project/catapult.git" + "@" + "df67b479111472de101150fa01307279df03f24f",
   },
   "win": {
     "v8/third_party/cygwin":