Update V8 DEPS.

DEPS

Index: DEPS
diff --git a/DEPS b/DEPS
index 5188dfd59398037e6769f8b348740b83a3291023..273ae3dab71489070a1f162dc61de80725e0f568 100644
--- a/DEPS
+++ b/DEPS
@@ -12,7 +12,7 @@ deps = {
   "v8/third_party/icu":
     Var("git_url") + "/chromium/deps/icu.git" + "@" + "8d342a405be5ae8aacb1e16f0bc31c3a4fbf26a2",
   "v8/buildtools":
-    Var("git_url") + "/chromium/buildtools.git" + "@" + "6d0c448437825a1af0ad2ea28128dda474403cd7",
+    Var("git_url") + "/chromium/buildtools.git" + "@" + "81863fe70639e85606b541d9d36e9e98c96b957e",
   "v8/base/trace_event/common":
     Var("git_url") + "/chromium/src/base/trace_event/common.git" + "@" + "d83d44b13d07c2fd0a40101a7deef9b93b841732",
   "v8/tools/swarming_client":
@@ -29,7 +29,7 @@ deps = {
   "v8/test/test262/data":
     Var("git_url") + "/external/github.com/tc39/test262.git" + "@" + "67ba34b03a46bac4254223ae25f42c7b959540f0",
   "v8/tools/clang":
-    Var("git_url") + "/chromium/src/tools/clang.git" + "@" + "da84f132a581202117fb45bceec8327752c81283",
+    Var("git_url") + "/chromium/src/tools/clang.git" + "@" + "fe8d232767c63ce43873ffef101063a5791d171e",
 }
 
 deps_os = {