Update V8 DEPS.

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/05cc4b1..7311b74

Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/3f41f93..672cabd

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

Change-Id: I5663213d2835b02d0ed9c953749cb722b8422a58
Reviewed-on: https://chromium-review.googlesource.com/700015Reviewed-by: v8 autoroll <v8-autoroll@chromium.org>
Commit-Queue: v8 autoroll <v8-autoroll@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48274}

DEPS

@@ -8,7 +8,7 @@ vars = {
 
 deps = {
   "v8/build":
-    Var("chromium_url") + "/chromium/src/build.git" + "@" + "05cc4b12ce5dbb71658eb26ffa58c9270ea21427",
+    Var("chromium_url") + "/chromium/src/build.git" + "@" + "7311b7485e1a32d124f42b814c229be2faf0d599",
   "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" + "@" + "ca9dc7245b888c75307f0619e4a39fb46a82de66",
     "v8/third_party/catapult":
-      Var('chromium_url') + "/catapult.git" + "@" + "3f41f93f9154b9acb9e5ff9347827355a27341e9",
+      Var('chromium_url') + "/catapult.git" + "@" + "672cabd12c680e8c75d0614c59d97479cbdfc47a",
   },
 }