Update V8 DEPS.

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/4325c99..6f889c3

Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/c51eb62..846ae9b

Rolling v8/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/64b6133..c4a7356

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

Change-Id: I0a47e67e23a980b6fd8b95c97172f86d4c303bd0
Reviewed-on: https://chromium-review.googlesource.com/1244957
Commit-Queue: V8 Autoroller <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Reviewed-by: V8 Autoroller <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#56229}

DEPS

@@ -13,9 +13,9 @@ vars = {
 
 deps = {
   'v8/build':
-    Var('chromium_url') + '/chromium/src/build.git' + '@' + '4325c991006e208acc46dc09b5c8e86d9a652415',
+    Var('chromium_url') + '/chromium/src/build.git' + '@' + '6f889c3021f87ff183f2212639c2b826caa4433f',
   'v8/third_party/depot_tools':
-    Var('chromium_url') + '/chromium/tools/depot_tools.git' + '@' + '64b61330ec7f3632d5eb1ea97133ce11f3bf6627',
+    Var('chromium_url') + '/chromium/tools/depot_tools.git' + '@' + 'c4a7356a469b3b6267965d7bcc318cf35cdd3b62',
   'v8/third_party/icu':
     Var('chromium_url') + '/chromium/deps/icu.git' + '@' + 'c52a2a250d6c5f5cbdd015dff36af7c5d0ae1150',
   'v8/third_party/instrumented_libraries':
@@ -33,7 +33,7 @@ deps = {
     'condition': 'checkout_android',
   },
   'v8/third_party/catapult': {
-    'url': Var('chromium_url') + '/catapult.git' + '@' + 'c51eb628dd91236000ddc6534c26cceb3c5c1544',
+    'url': Var('chromium_url') + '/catapult.git' + '@' + '846ae9bff247b09aee0f07b2384f6b967b354eff',
   },
   'v8/third_party/colorama/src': {
     'url': Var('chromium_url') + '/external/colorama.git' + '@' + '799604a1041e9b3bc5d2789ecbd7e8db2e18e6b8',