Revert "Update V8 DEPS."

This reverts commit daca9078.

Reason for revert: https://crbug.com/v8/6857

Original change's description:
> Update V8 DEPS.
> 
> Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/898597f..57716b3
> 
> Rolling v8/buildtools: https://chromium.googlesource.com/chromium/buildtools/+log/cbc33b9..f6d165d
> 
> Rolling v8/third_party/catapult: https://chromium.googlesource.com/external/github.com/catapult-project/catapult/+log/e3fe21f..9a255f5
> 
> Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clang/+log/cf5e2ed..66be66d
> 
> TBR=machenbach@chromium.org,hablich@chromium.org
> 
> Change-Id: I8c7a9604d7ed71f9580cc17e7c4236348983e0a9
> Reviewed-on: https://chromium-review.googlesource.com/681848
> Reviewed-by: v8 autoroll <v8-autoroll@chromium.org>
> Commit-Queue: v8 autoroll <v8-autoroll@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#48150}

TBR=v8-autoroll@chromium.org,machenbach@chromium.org,hablich@chromium.org

Bug: v8:6857
Change-Id: I5fc28fb81c5b60fecefbd3324d6b1f1af85f85e2
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/684215Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48156}

DEPS

@@ -8,7 +8,7 @@ vars = {
 
 deps = {
   "v8/build":
-    Var("chromium_url") + "/chromium/src/build.git" + "@" + "57716b379e9bbe0b7b6792046a3dd387001e1643",
+    Var("chromium_url") + "/chromium/src/build.git" + "@" + "898597f665820182fc979b13c1b2e6de06a608c4",
   "v8/tools/gyp":
     Var("chromium_url") + "/external/gyp.git" + "@" + "d61a9397e668fa9843c4aa7da9e79460fe590bfb",
   "v8/third_party/icu":
@@ -16,7 +16,7 @@ deps = {
   "v8/third_party/instrumented_libraries":
     Var("chromium_url") + "/chromium/src/third_party/instrumented_libraries.git" + "@" + "644afd349826cb68204226a16c38bde13abe9c3c",
   "v8/buildtools":
-    Var("chromium_url") + "/chromium/buildtools.git" + "@" + "f6d165d9d842ddd29056c127a5f3a3c5d8e0d2e3",
+    Var("chromium_url") + "/chromium/buildtools.git" + "@" + "cbc33b9c0a9d1bb913895a4319a742c504a2d541",
   "v8/base/trace_event/common":
     Var("chromium_url") + "/chromium/src/base/trace_event/common.git" + "@" + "65d1d42a5df6c0a563a6fdfa58a135679185e5d9",
   "v8/third_party/jinja2":
@@ -38,7 +38,7 @@ deps = {
   "v8/test/test262/harness":
     Var("chromium_url") + "/external/github.com/test262-utils/test262-harness-py.git" + "@" + "0f2acdd882c84cff43b9d60df7574a1901e2cdcd",
   "v8/tools/clang":
-    Var("chromium_url") + "/chromium/src/tools/clang.git" + "@" + "66be66dcb7169e736d56d6fc2b53a7d6dac87ac4",
+    Var("chromium_url") + "/chromium/src/tools/clang.git" + "@" + "cf5e2ed6a9fe35e792587a111a4b2a515deff772",
   "v8/test/wasm-js":
     Var("chromium_url") + "/external/github.com/WebAssembly/spec.git" + "@" + "4f1d3114157e6459d8a06e7d8fcc8fc90288cd85",
 }
@@ -48,7 +48,7 @@ deps_os = {
     "v8/third_party/android_tools":
       Var("chromium_url") + "/android_tools.git" + "@" + "aadb2fed04af8606545b0afe4e3060bc1a15fad7",
     "v8/third_party/catapult":
-      Var('chromium_url') + "/external/github.com/catapult-project/catapult.git" + "@" + "9a255f51046c55ea3c209acd64e36d8a5bd46fa4",
+      Var('chromium_url') + "/external/github.com/catapult-project/catapult.git" + "@" + "e3fe21f5029c7d2cd2a83f012375ea9d877733d5",
   },
 }