Update V8 DEPS.

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/f2dd2d1..2647b49

Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/22e74eb..e2235db

Rolling v8/tools/clang: https://chromium.googlesource.com/chromium/src/tools/clang/+log/2a5ee2c..fb9e0ad

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

Change-Id: I3081ed8d8e779c661f7d59a5ee0fd3ce6eaf3371
Reviewed-on: https://chromium-review.googlesource.com/737252Reviewed-by: v8 autoroll <v8-autoroll@chromium.org>
Commit-Queue: v8 autoroll <v8-autoroll@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48892}

DEPS

@@ -9,7 +9,7 @@ vars = {
 
 deps = {
   'v8/build':
-    Var('chromium_url') + '/chromium/src/build.git' + '@' + 'f2dd2d1ca74ded8339c6fd458dc9de9d98059f9e',
+    Var('chromium_url') + '/chromium/src/build.git' + '@' + '2647b49d4852b789d7061ffe8155ff989f3c26be',
   'v8/tools/gyp':
     Var('chromium_url') + '/external/gyp.git' + '@' + 'd61a9397e668fa9843c4aa7da9e79460fe590bfb',
   'v8/third_party/icu':
@@ -25,7 +25,7 @@ deps = {
     'condition': 'checkout_android',
   },
   'v8/third_party/catapult': {
-    'url': Var('chromium_url') + '/catapult.git' + '@' + '22e74ebb13a5b87981c4a2f6a8594390f2496d0b',
+    'url': Var('chromium_url') + '/catapult.git' + '@' + 'e2235db8b724540e50d02b66340980575543908a',
     'condition': 'checkout_android',
   },
   'v8/third_party/colorama/src': {
@@ -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' + '@' + '2a5ee2c0cd6da0f6b72d60d1bedc7d579d776898',
+    Var('chromium_url') + '/chromium/src/tools/clang.git' + '@' + 'fb9e0ad950cdd966145a35153b3bc00377860577',
   'v8/tools/luci-go':
     Var('chromium_url') + '/chromium/src/tools/luci-go.git' + '@' + '45a8a51fda92e123619a69e7644d9c64a320b0c1',
   'v8/test/wasm-js':