Add a snapshot of flutter/engine/src/build to our sdk

build/get_landmines.py

Index: build/get_landmines.py
diff --git a/build/get_landmines.py b/build/get_landmines.py
new file mode 100755
index 0000000000000000000000000000000000000000..92f81fe8f03b0718e4ac87f65c1b74d31c3acd43
--- /dev/null
+++ b/build/get_landmines.py
@@ -0,0 +1,42 @@
+#!/usr/bin/env python
+# Copyright 2013 The Chromium 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 file emits the list of reasons why a particular build needs to be clobbered
+(or a list of 'landmines').
+"""
+
+import sys
+
+import landmine_utils
+
+
+builder = landmine_utils.builder
+distributor = landmine_utils.distributor
+gyp_defines = landmine_utils.gyp_defines
+gyp_msvs_version = landmine_utils.gyp_msvs_version
+platform = landmine_utils.platform
+
+
+def print_landmines():
+  """
+  ALL LANDMINES ARE EMITTED FROM HERE.
+  """
+  # DO NOT add landmines as part of a regular CL. Landmines are a last-effort
+  # bandaid fix if a CL that got landed has a build dependency bug and all bots
+  # need to be cleaned up. If you're writing a new CL that causes build
+  # dependency problems, fix the dependency problems instead of adding a
+  # landmine.
+
+  print 'Lets start a new landmines file.'
+
+
+def main():
+  print_landmines()
+  return 0
+
+
+if __name__ == '__main__':
+  sys.exit(main())