Update V8 DEPS.

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/d14a3a7..bdc04ca

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

Review-Url: https://codereview.chromium.org/2604693002
Cr-Commit-Position: refs/heads/master@{#41953}

DEPS

@@ -8,7 +8,7 @@ vars = {
 
 deps = {
   "v8/build":
-    Var("chromium_url") + "/chromium/src/build.git" + "@" + "d14a3a7f9180097cc4e71bca689911d4f0cb192c",
+    Var("chromium_url") + "/chromium/src/build.git" + "@" + "bdc04ca095549fc9f1e27210d8e36c58a7b40600",
   "v8/tools/gyp":
     Var("chromium_url") + "/external/gyp.git" + "@" + "e7079f0e0e14108ab0dba58728ff219637458563",
   "v8/third_party/icu":