Update V8 DEPS.

Rolling v8/build: https://chromium.googlesource.com/chromium/src/build/+log/c4de990..73e352e

Rolling v8/third_party/catapult: https://chromium.googlesource.com/catapult/+log/1bae362..2c59f67

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

Change-Id: I984a13dc91dddbf0ab6c79eca97395aaf6ad8c56
Reviewed-on: https://chromium-review.googlesource.com/1006097Reviewed-by: v8 autoroll <v8-autoroll@chromium.org>
Commit-Queue: v8 autoroll <v8-autoroll@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52534}

DEPS

@@ -12,7 +12,7 @@ vars = {
 
 deps = {
   'v8/build':
-    Var('chromium_url') + '/chromium/src/build.git' + '@' + 'c4de99078432abb75a66fbe0df90326ea0841702',
+    Var('chromium_url') + '/chromium/src/build.git' + '@' + '73e352e758d90603e23bdc84734c12aa5817ab5f',
   'v8/tools/gyp':
     Var('chromium_url') + '/external/gyp.git' + '@' + 'd61a9397e668fa9843c4aa7da9e79460fe590bfb',
   'v8/third_party/icu':
@@ -32,7 +32,7 @@ deps = {
     'condition': 'checkout_android',
   },
   'v8/third_party/catapult': {
-    'url': Var('chromium_url') + '/catapult.git' + '@' + '1bae362e77893f0fe040098b1c4694e8c5bcb4d3',
+    'url': Var('chromium_url') + '/catapult.git' + '@' + '2c59f678c7ede8a844fb687525d594b71aabe3dd',
     'condition': 'checkout_android',
   },
   'v8/third_party/colorama/src': {