Update V8 DEPS.

Rolling v8/buildtools: https://chromium.googlesource.com/chromium/buildtools/+log/39b1db2..991f459

Rolling v8/third_party/android_tools: https://chromium.googlesource.com/android_tools/+log/25d57ea..811a2c3

Rolling v8/third_party/catapult: https://chromium.googlesource.com/external/github.com/catapult-project/catapul/+log/6962f5c..3950931

Rolling v8/third_party/icu: https://chromium.googlesource.com/chromium/deps/icu/+log/c1a2371..dda089a

Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clan/+log/75350a8..4d70bef

Rolling v8/tools/swarming_client: https://chromium.googlesource.com/external/swarming.clien/+log/380e326..ebc8dab

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

Review-Url: https://codereview.chromium.org/2538723002
Cr-Commit-Position: refs/heads/master@{#41349}

DEPS

@@ -12,11 +12,11 @@ deps = {
   "v8/tools/gyp":
     Var("chromium_url") + "/external/gyp.git" + "@" + "e7079f0e0e14108ab0dba58728ff219637458563",
   "v8/third_party/icu":
-    Var("chromium_url") + "/chromium/deps/icu.git" + "@" + "c1a237113f525a1561d4b322d7653e1083f79aaa",
+    Var("chromium_url") + "/chromium/deps/icu.git" + "@" + "dda089a98a4f1512a62a68e8fc47a98aa6d2f963",
   "v8/third_party/instrumented_libraries":
     Var("chromium_url") + "/chromium/src/third_party/instrumented_libraries.git" + "@" + "45f5814b1543e41ea0be54c771e3840ea52cca4a",
   "v8/buildtools":
-    Var("chromium_url") + "/chromium/buildtools.git" + "@" + "39b1db2ab4aa4b2ccaa263c29bdf63e7c1ee28aa",
+    Var("chromium_url") + "/chromium/buildtools.git" + "@" + "991f459071f96102b7bcb5fb5db6757b52d4238f",
   "v8/base/trace_event/common":
     Var("chromium_url") + "/chromium/src/base/trace_event/common.git" + "@" + "06294c8a4a6f744ef284cd63cfe54dbf61eea290",
   "v8/third_party/jinja2":
@@ -24,7 +24,7 @@ deps = {
   "v8/third_party/markupsafe":
     Var("chromium_url") + "/chromium/src/third_party/markupsafe.git" + "@" + "484a5661041cac13bfc688a26ec5434b05d18961",
   "v8/tools/swarming_client":
-    Var('chromium_url') + '/external/swarming.client.git' + '@' + "380e32662312eb107f06fcba6409b0409f8fef72",
+    Var('chromium_url') + '/external/swarming.client.git' + '@' + "ebc8dab6f8b8d79ec221c94de39a921145abd404",
   "v8/testing/gtest":
     Var("chromium_url") + "/external/github.com/google/googletest.git" + "@" + "6f8a66431cb592dad629028a50b3dd418a408c87",
   "v8/testing/gmock":
@@ -39,15 +39,15 @@ 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" + "@" + "75350a858c51ad69e2aae051a8727534542da29f",
+    Var("chromium_url") + "/chromium/src/tools/clang.git" + "@" + "4d70bef95176ee1e1f924fdf5d95cb39fa7dd28c",
 }
 
 deps_os = {
   "android": {
     "v8/third_party/android_tools":
-      Var("chromium_url") + "/android_tools.git" + "@" + "25d57ead05d3dfef26e9c19b13ed10b0a69829cf",
+      Var("chromium_url") + "/android_tools.git" + "@" + "811a2c3f91b62550df8479515513bc198ac8fce0",
     "v8/third_party/catapult":
-      Var('chromium_url') + "/external/github.com/catapult-project/catapult.git" + "@" + "6962f5c0344a79b152bf84460a93e1b2e11ea0f4",
+      Var('chromium_url') + "/external/github.com/catapult-project/catapult.git" + "@" + "3950931a913d02de369509948089da7ccd4acce4",
   },
   "win": {
     "v8/third_party/cygwin":