Update V8 DEPS.

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/0f7a5f7..bfc3ca5

Rolling v8/third_party/aemu-linux-x64: L4Yg7-xN6xRY3FEAIYBqj7hMnWwvvnPYTNQr_umZm-IC..FgthknmEoQugl3GqOyqz_RsAjIMmeLsa960mZcmhE9UC

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

Change-Id: If6ba34b7cc1e8cd00b9b331265ebc82c55e0294c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2447962Reviewed-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@{#70297}

DEPS

@@ -82,7 +82,7 @@ vars = {
 
 deps = {
   'build':
-    Var('chromium_url') + '/chromium/src/build.git' + '@' + '0f7a5f7998b4e209f58774846923a347c6d018a7',
+    Var('chromium_url') + '/chromium/src/build.git' + '@' + 'bfc3ca527c0667786cf94c7d6875ae5be7a323fd',
   'third_party/depot_tools':
     Var('chromium_url') + '/chromium/tools/depot_tools.git' + '@' + '1407cfd9e5f4de4cf9bd04ecc435ee5b760675c1',
   'third_party/icu':
@@ -233,7 +233,7 @@ deps = {
       'packages': [
           {
               'package': 'fuchsia/third_party/aemu/linux-amd64',
-              'version': 'L4Yg7-xN6xRY3FEAIYBqj7hMnWwvvnPYTNQr_umZm-IC'
+              'version': 'FgthknmEoQugl3GqOyqz_RsAjIMmeLsa960mZcmhE9UC'
           },
       ],
       'condition': 'host_os == "linux" and checkout_fuchsia',