Update V8 DEPS.

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/d77db9e..ca471fc

Rolling v8/third_party/aemu-linux-x64: UncMpcoIeFj9FKkqbpkwnPCh8YmqHZcucJu-mi7jF1MC..LUFkW5GTwXItfKWgJt7kkk1hEf35ZueIbx73KwUN5K0C

TBR=machenbach@chromium.org,tmrts@chromium.org,v8-waterfall-sheriff@grotations.appspotmail.com

Change-Id: I60c55187182f5e19dd677838779757795e82df73
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2420451Reviewed-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@{#70015}

DEPS

@@ -82,7 +82,7 @@ vars = {
 
 deps = {
   'build':
-    Var('chromium_url') + '/chromium/src/build.git' + '@' + 'd77db9e8587c824d788998b5b78e4e310eb41cf5',
+    Var('chromium_url') + '/chromium/src/build.git' + '@' + 'ca471fc8243b09c6ed04ff339e0ac59ffd5db595',
   'third_party/depot_tools':
     Var('chromium_url') + '/chromium/tools/depot_tools.git' + '@' + '244d77022cb2b0540668f2383d056b78ffcd4ca1',
   'third_party/icu':
@@ -233,7 +233,7 @@ deps = {
       'packages': [
           {
               'package': 'fuchsia/third_party/aemu/linux-amd64',
-              'version': 'UncMpcoIeFj9FKkqbpkwnPCh8YmqHZcucJu-mi7jF1MC'
+              'version': 'LUFkW5GTwXItfKWgJt7kkk1hEf35ZueIbx73KwUN5K0C'
           },
       ],
       'condition': 'host_os == "linux" and checkout_fuchsia',