Update V8 DEPS.

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/127a048..8528a36

Rolling v8/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/7f90416..940c282

TBR=machenbach@chromium.org,tmrts@chromium.org

Change-Id: I96542c62d864df98232070366d7db0948295c944
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1767223Reviewed-by: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#63357}

DEPS

@@ -57,9 +57,9 @@ vars = {
 
 deps = {
   'v8/build':
-    Var('chromium_url') + '/chromium/src/build.git' + '@' + '127a04882c247d417b50b4224ed10c6ef5fb561e',
+    Var('chromium_url') + '/chromium/src/build.git' + '@' + '8528a36be4d7e9d379302f6089f8360f6fd57c61',
   'v8/third_party/depot_tools':
-    Var('chromium_url') + '/chromium/tools/depot_tools.git' + '@' + '7f90416c08be42ae4422cd1e78b63e5042c208e2',
+    Var('chromium_url') + '/chromium/tools/depot_tools.git' + '@' + '940c282116e124616efbacbd8dc571f72000fa8d',
   'v8/third_party/icu':
     Var('chromium_url') + '/chromium/deps/icu.git' + '@' + '2b2ee7158675555acb4d0d0cbb5dff71c00e7c54',
   'v8/third_party/instrumented_libraries':