Update V8 DEPS.

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/7321edc..52f7afe

Rolling v8/third_party/catapult: https://chromium.googlesource.com/external/github.com/catapult-project/catapult/+log/19565fd..c69690a

Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clang/+log/53bdedc..7e13606

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

Review-Url: https://codereview.chromium.org/2566153004
Cr-Commit-Position: refs/heads/master@{#41661}

DEPS

@@ -8,7 +8,7 @@ vars = {
 
 deps = {
   "v8/build":
-    Var("chromium_url") + "/chromium/src/build.git" + "@" + "7321edc3e835447b4ec75732ab683fb70ad1a5fd",
+    Var("chromium_url") + "/chromium/src/build.git" + "@" + "52f7afeca991d96d68cf0507e20dbdd5b845691f",
   "v8/tools/gyp":
     Var("chromium_url") + "/external/gyp.git" + "@" + "e7079f0e0e14108ab0dba58728ff219637458563",
   "v8/third_party/icu":
@@ -39,7 +39,7 @@ deps = {
   "v8/test/test262/harness":
     Var("chromium_url") + "/external/github.com/test262-utils/test262-harness-py.git" + "@" + "cbd968f54f7a95c6556d53ba852292a4c49d11d8",
   "v8/tools/clang":
-    Var("chromium_url") + "/chromium/src/tools/clang.git" + "@" + "53bdedc7a79ddb513dddeb3aea99935893c2143d",
+    Var("chromium_url") + "/chromium/src/tools/clang.git" + "@" + "7e1360625bed71368431620ef003c75fb60fde96",
 }
 
 deps_os = {
@@ -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" + "@" + "19565fdb148afc5fc752516f395f715f5d27c1f1",
+      Var('chromium_url') + "/external/github.com/catapult-project/catapult.git" + "@" + "c69690acc34b8be0d85596bc5ad40fce7502817a",
   },
   "win": {
     "v8/third_party/cygwin":