Update V8 DEPS.

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/6501469..cfed275

Rolling v8/third_party/android_tools: https://chromium.googlesource.com/android_tools/+log/ca0bd08..4a9623a

Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clang/+log/723b259..4b58512

TBR=machenbach@chromium.org,hablich@chromium.org,sergiyb@chromium.org

Change-Id: I31f2d64ee07b308fe1b66603e9b630c9b1007e7f
Reviewed-on: https://chromium-review.googlesource.com/759936Reviewed-by: v8 autoroll <v8-autoroll@chromium.org>
Commit-Queue: v8 autoroll <v8-autoroll@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49248}

DEPS

@@ -9,7 +9,7 @@ vars = {
 
 deps = {
   'v8/build':
-    Var('chromium_url') + '/chromium/src/build.git' + '@' + '65014692e26a03fa741f25c841657f56553eb2ae',
+    Var('chromium_url') + '/chromium/src/build.git' + '@' + 'cfed27564cbb372cb495e148b5e6754d4626c5b5',
   'v8/tools/gyp':
     Var('chromium_url') + '/external/gyp.git' + '@' + 'd61a9397e668fa9843c4aa7da9e79460fe590bfb',
   'v8/third_party/icu':
@@ -21,7 +21,7 @@ deps = {
   'v8/base/trace_event/common':
     Var('chromium_url') + '/chromium/src/base/trace_event/common.git' + '@' + '0e9a47d74970bee1bbfc063c47215406f8918699',
   'v8/third_party/android_tools': {
-    'url': Var('chromium_url') + '/android_tools.git' + '@' + 'ca0bd083872ad925881736fe2bedc3ff855e08f5',
+    'url': Var('chromium_url') + '/android_tools.git' + '@' + '4a9623af577555a8dab891c8789cc3dfe80addae',
     'condition': 'checkout_android',
   },
   'v8/third_party/catapult': {
@@ -51,7 +51,7 @@ 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' + '@' + '723b25997f0aab45fe1776a0f74a14782e350f8f',
+    Var('chromium_url') + '/chromium/src/tools/clang.git' + '@' + '4b585122606d6daecc97b89b69f0f3454afb170a',
   'v8/tools/luci-go':
     Var('chromium_url') + '/chromium/src/tools/luci-go.git' + '@' + '45a8a51fda92e123619a69e7644d9c64a320b0c1',
   'v8/test/wasm-js':