Revert "Update V8 DEPS."

This reverts commit eb3ce72b.

Reason for revert: Broke Android Arm64 Builder, see https://bugs.chromium.org/p/chromium/issues/detail?id=1217912

Original change's description:
> Update V8 DEPS.
>
> Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/8870cb4..921ea58
>
> Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/a8bae77..df0a59a
>
> Rolling v8/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/b508ecd..b14cdae
>
> Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clang/+log/0c64e83..d987b04
>
> TBR=v8-waterfall-sheriff@grotations.appspotmail.com,mtv-sf-v8-sheriff@grotations.appspotmail.com
>
> Change-Id: I8906ce650c866bd771910fea5db6c735bfe0c7e2
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2947396
> 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@{#75029}

Change-Id: I4d83f012cf04ab94eb66bab9a8ebec04ed098fbf
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2947417
Auto-Submit: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#75032}

DEPS

@@ -85,9 +85,9 @@ vars = {
 
 deps = {
   'build':
-    Var('chromium_url') + '/chromium/src/build.git' + '@' + '921ea5898e6b95f6eb2e175e454f775a2254e4df',
+    Var('chromium_url') + '/chromium/src/build.git' + '@' + '8870cb41201b9f4a384188af6d3c110ef083dba7',
   'third_party/depot_tools':
-    Var('chromium_url') + '/chromium/tools/depot_tools.git' + '@' + 'b14cdaeb30c9b1edf3154e7f71c5f2001ecf355e',
+    Var('chromium_url') + '/chromium/tools/depot_tools.git' + '@' + 'b508ecd932fd2653b4d3e9bccd80b3b7ac98c36a',
   'third_party/icu':
     Var('chromium_url') + '/chromium/deps/icu.git' + '@' + 'a0718d4f121727e30b8d52c7a189ebf5ab52421f',
   'third_party/instrumented_libraries':
@@ -181,7 +181,7 @@ deps = {
       'dep_type': 'cipd',
   },
   'third_party/catapult': {
-    'url': Var('chromium_url') + '/catapult.git' + '@' + 'df0a59ab0257c0554d034a8012e277fcbbfc0ab4',
+    'url': Var('chromium_url') + '/catapult.git' + '@' + 'a8bae77c4a096f54414062b7c5a4d9afc75682ec',
     'condition': 'checkout_android',
   },
   'third_party/colorama/src': {
@@ -252,7 +252,7 @@ deps = {
       'dep_type': 'cipd',
   },
   'tools/clang':
-    Var('chromium_url') + '/chromium/src/tools/clang.git' + '@' + 'd987b04487d569e26bca06c43bed5c49cb43238f',
+    Var('chromium_url') + '/chromium/src/tools/clang.git' + '@' + '0c64e8349d636a77ddd7af8ca04b83aa51d3ac5f',
   'tools/luci-go': {
       'packages': [
         {