roll gyp 1769:1773

r1770 ninja/mac: Add extra plist item DTPlatformVersion and DTPlatformBuild.
r1771 Fix linking on sun and aix after r1741.
r1772 Re-land r1745: "Add an option to prune targets"
r1773 Fix parallel execution, and enable by default

[email protected]

Review URL: https://codereview.chromium.org/49133002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@231391 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/DEPS b/DEPS
index 2bccb08..a90dc5d3f 100644
--- a/DEPS
+++ b/DEPS
@@ -104,7 +104,7 @@
     (Var("googlecode_url") % "grit-i18n") + "/trunk@136",
 
   "src/tools/gyp":
-    (Var("googlecode_url") % "gyp") + "/trunk@1769",
+    (Var("googlecode_url") % "gyp") + "/trunk@1773",
 
   "src/tools/swarm_client":
     "/trunk/tools/swarm_client@" + Var("swarm_revision"),