Update V8 DEPS.

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/cd91c99..b3a78cd

Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/7854862..b4826a5

Rolling v8/third_party/icu: https://chromium.googlesource.com/chromium/deps/icu/+log/f3d25bc..c8ca296

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

Change-Id: I0f5539c41e801702608498b2b1ef943bd3653cc6
Reviewed-on: https://chromium-review.googlesource.com/869392Reviewed-by: v8 autoroll <v8-autoroll@chromium.org>
Commit-Queue: v8 autoroll <v8-autoroll@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50635}

DEPS

@@ -10,11 +10,11 @@ vars = {
 
 deps = {
   'v8/build':
-    Var('chromium_url') + '/chromium/src/build.git' + '@' + 'cd91c994041054b3387fa0ad0517db9d16cd6fe1',
+    Var('chromium_url') + '/chromium/src/build.git' + '@' + 'b3a78cd03a95c30ff10f863f736249eb04f0f34d',
   'v8/tools/gyp':
     Var('chromium_url') + '/external/gyp.git' + '@' + 'd61a9397e668fa9843c4aa7da9e79460fe590bfb',
   'v8/third_party/icu':
-    Var('chromium_url') + '/chromium/deps/icu.git' + '@' + 'f3d25bcc2e542a10248d5a272219ed7695fe3252',
+    Var('chromium_url') + '/chromium/deps/icu.git' + '@' + 'c8ca2962b46670ec89071ffd1291688983cd319c',
   'v8/third_party/instrumented_libraries':
     Var('chromium_url') + '/chromium/src/third_party/instrumented_libraries.git' + '@' + 'b7578b4132cf73ca3265e2ee0b7bd0a422a54ebf',
   'v8/buildtools':
@@ -30,7 +30,7 @@ deps = {
     'condition': 'checkout_android',
   },
   'v8/third_party/catapult': {
-    'url': Var('chromium_url') + '/catapult.git' + '@' + '785486272fdd040ffc53214deaa8d30a293df6f2',
+    'url': Var('chromium_url') + '/catapult.git' + '@' + 'b4826a52853c9c2778d496f6c6fa853f777f94df',
     'condition': 'checkout_android',
   },
   'v8/third_party/colorama/src': {