Generate the icu data binaries at compile time instead of checking in binaries

gn_data_build_system/run.py

Index: gn_data_build_system/run.py
diff --git a/gn_data_build_system/run.py b/gn_data_build_system/run.py
new file mode 100644
index 0000000000000000000000000000000000000000..4eccace608e318378b2cbbc74b2c4ed9022b2e60
--- /dev/null
+++ b/gn_data_build_system/run.py
@@ -0,0 +1,23 @@
+#!/usr/bin/env python
+# Copyright 2014 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""This program wraps an arbitrary command since gn currently can only execute
+scripts."""
+
+import os
+import subprocess
+import sys
+
+try:
+    res = subprocess.call(sys.argv[1:])
+except Exception as e:
+    res = 1
+    print("%s" % e)
+
+if res != 0:
+    print("In %s" % os.getcwd())
+    print("%s" % sys.argv)
+
+sys.exit(res)