Update V8 DEPS.

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/31e28f7..cd94ef8

Rolling v8/third_party/catapult: https://chromium.googlesource.com/external/github.com/catapult-project/catapult/+log/6866edf..e7bf345

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

Change-Id: I0e182955a4d253843ccd0796324308d104702d1d
Reviewed-on: https://chromium-review.googlesource.com/525173Reviewed-by: v8 autoroll <v8-autoroll@chromium.org>
Commit-Queue: v8 autoroll <v8-autoroll@chromium.org>
Cr-Commit-Position: refs/heads/master@{#45718}

DEPS

@@ -8,7 +8,7 @@ vars = {
 
 deps = {
   "v8/build":
-    Var("chromium_url") + "/chromium/src/build.git" + "@" + "31e28f7d87666690faf39e030c5ffa8fefaee756",
+    Var("chromium_url") + "/chromium/src/build.git" + "@" + "cd94ef81221726f3cb5662172f286ecab323815d",
   "v8/tools/gyp":
     Var("chromium_url") + "/external/gyp.git" + "@" + "eb296f67da078ec01f5e3a9ea9cdc6d26d680161",
   "v8/third_party/icu":
@@ -48,7 +48,7 @@ deps_os = {
     "v8/third_party/android_tools":
       Var("chromium_url") + "/android_tools.git" + "@" + "cb6bc21107001e2f2eeee2707b482b2b755baf51",
     "v8/third_party/catapult":
-      Var('chromium_url') + "/external/github.com/catapult-project/catapult.git" + "@" + "6866edfb97f38a69ed7dd24cf6c6d8e85bfe2dbc",
+      Var('chromium_url') + "/external/github.com/catapult-project/catapult.git" + "@" + "e7bf345be18c1f99e8ddd3d161c1f46013d095ed",
   },
 }