Revert "Update V8 DEPS."

This reverts commit 43b92772.

Reason for revert: Breaks Mac build, see https://ci.chromium.org/p/v8/builders/ci/V8%20Mac64%20ASAN/22200

Particular cause: https://chromium.googlesource.com/chromium/src/build/+/7b62c8979c4963f8f0fa8ec33391793bd9d73f28

Original change's description:
> Update V8 DEPS.
> 
> Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/80892bf..983d3df
> 
> Rolling v8/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/cf661ac..7e68767
> 
> TBR=machenbach@chromium.org,hablich@chromium.org,sergiyb@chromium.org
> 
> Change-Id: I6f335b8628338d94558309b5bc06725f9d20ea8b
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1504781
> Reviewed-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@{#60050}

TBR=machenbach@chromium.org,hablich@chromium.org,sergiyb@chromium.org,v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com

Change-Id: I6ca9cf4d0f7051979f59c4a72f2a46ad67331b21
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1505812Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60053}

DEPS

@@ -16,9 +16,9 @@ vars = {
 
 deps = {
   'v8/build':
-    Var('chromium_url') + '/chromium/src/build.git' + '@' + '983d3dfb165b4a5e64d198eaecafaca4db7ed79f',
+    Var('chromium_url') + '/chromium/src/build.git' + '@' + '80892bfe019dc854c6acdbfbb7304cca63986d4f',
   'v8/third_party/depot_tools':
-    Var('chromium_url') + '/chromium/tools/depot_tools.git' + '@' + '7e68767e2fe21638044fb7cc020a74db33086e77',
+    Var('chromium_url') + '/chromium/tools/depot_tools.git' + '@' + 'cf661acb705fccc302901a1f8a251ad43ce2dd62',
   'v8/third_party/icu':
     Var('chromium_url') + '/chromium/deps/icu.git' + '@' + '8c67416ccb4da42d817e7081ff83a2193b1aabe7',
   'v8/third_party/instrumented_libraries':