Update V8 DEPS.

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/8579f3d..bd2533d

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

Change-Id: I46a9153202602b8df138a9e2aeebdc8ef65ce4fa
Reviewed-on: https://chromium-review.googlesource.com/c/1293069
Commit-Queue: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Reviewed-by: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#56836}

DEPS

@@ -13,7 +13,7 @@ vars = {
 
 deps = {
   'v8/build':
-    Var('chromium_url') + '/chromium/src/build.git' + '@' + '8579f3da6fe49610e5b883d3cd039c5fbe4d97a7',
+    Var('chromium_url') + '/chromium/src/build.git' + '@' + 'bd2533df2c1164ee26f567bc13bbd9f9a7ec5239',
   'v8/third_party/depot_tools':
     Var('chromium_url') + '/chromium/tools/depot_tools.git' + '@' + '98f1e59b41c6c580cd168ac4456bf27d78c12a95',
   'v8/third_party/icu':