Revert "Update V8 DEPS."

This reverts commit 0738c63a.

Reason for revert: Closes tree

Original change's description:
> Update V8 DEPS.
> 
> Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/80892bf..2cef311
> 
> Rolling v8/buildtools: https://chromium.googlesource.com/chromium/src/buildtools/+log/3e50219..a9db5de
> 
> Rolling v8/buildtools/third_party/libc++/trunk: https://chromium.googlesource.com/chromium/llvm-project/libcxx/+log/22d3f6d..9ae8fb4
> 
> Rolling v8/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/cf661ac..48f640f
> 
> TBR=machenbach@chromium.org,hablich@chromium.org,sergiyb@chromium.org
> 
> Change-Id: Ibe4c24ac7d8a576c21306a915b0d68222eb4477b
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1507318
> 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@{#60077}

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

Change-Id: I84832aa42e94f79b6c55f083d574e15c8c2d9353
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1505583Reviewed-by: Simon Zünd <szuend@chromium.org>
Commit-Queue: Simon Zünd <szuend@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60078}

DEPS

@@ -16,19 +16,19 @@ vars = {
 
 deps = {
   'v8/build':
-    Var('chromium_url') + '/chromium/src/build.git' + '@' + '2cef3110b441ecd6644ebad7e422afefac4a6162',
+    Var('chromium_url') + '/chromium/src/build.git' + '@' + '80892bfe019dc854c6acdbfbb7304cca63986d4f',
   'v8/third_party/depot_tools':
-    Var('chromium_url') + '/chromium/tools/depot_tools.git' + '@' + '48f640f5365e6248d7e7043e8ae9416c1645e96a',
+    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':
     Var('chromium_url') + '/chromium/src/third_party/instrumented_libraries.git' + '@' + 'a959e4f0cb643003f2d75d179cede449979e3e77',
   'v8/buildtools':
-    Var('chromium_url') + '/chromium/src/buildtools.git' + '@' + 'a9db5def7f29536b4913603528ea50d862ab4386',
+    Var('chromium_url') + '/chromium/src/buildtools.git' + '@' + '3e50219fc4503f461b2176a9976891b28d80f9ab',
   'v8/buildtools/clang_format/script':
     Var('chromium_url') + '/chromium/llvm-project/cfe/tools/clang-format.git' + '@' + '96636aa0e9f047f17447f2d45a094d0b59ed7917',
   'v8/buildtools/third_party/libc++/trunk':
-    Var('chromium_url') + '/chromium/llvm-project/libcxx.git' + '@' + '9ae8fb4a3c5fef4e9d41e97bbd9397a412932ab0',
+    Var('chromium_url') + '/chromium/llvm-project/libcxx.git' + '@' + '22d3f6dd25e5efc59124ba1c00b8f98b14be4201',
   'v8/buildtools/third_party/libc++abi/trunk':
     Var('chromium_url') + '/chromium/llvm-project/libcxxabi.git' + '@' + '0d529660e32d77d9111912d73f2c74fc5fa2a858',
   'v8/buildtools/third_party/libunwind/trunk':