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

build/android/gyp/push_libraries.py

Index: build/android/gyp/push_libraries.py
diff --git a/build/android/gyp/push_libraries.py b/build/android/gyp/push_libraries.py
new file mode 100755
index 0000000000000000000000000000000000000000..6b31a2e19d67dafbe9741eb2ea4883c716138f26
--- /dev/null
+++ b/build/android/gyp/push_libraries.py
@@ -0,0 +1,80 @@
+#!/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.
+
+"""Pushes native libraries to a device.
+
+"""
+
+import optparse
+import os
+import sys
+
+BUILD_ANDROID_DIR = os.path.join(os.path.dirname(__file__), os.pardir)
+sys.path.append(BUILD_ANDROID_DIR)
+
+from pylib import constants
+
+from util import build_device
+from util import build_utils
+from util import md5_check
+
+def DoPush(options):
+  libraries = build_utils.ParseGypList(options.libraries)
+
+  device = build_device.GetBuildDeviceFromPath(
+      options.build_device_configuration)
+  if not device:
+    return
+
+  serial_number = device.GetSerialNumber()
+  # A list so that it is modifiable in Push below.
+  needs_directory = [True]
+  for lib in libraries:
+    device_path = os.path.join(options.device_dir, lib)
+    host_path = os.path.join(options.libraries_dir, lib)
+
+    def Push():
+      if needs_directory:
+        device.RunShellCommand('mkdir -p ' + options.device_dir)
+        needs_directory[:] = [] # = False
+      device.PushChangedFiles([(host_path, device_path)])
+
+    record_path = '%s.%s.push.md5.stamp' % (host_path, serial_number)
+    md5_check.CallAndRecordIfStale(
+        Push,
+        record_path=record_path,
+        input_paths=[host_path],
+        input_strings=[device_path])
+
+
+def main(args):
+  args = build_utils.ExpandFileArgs(args)
+  parser = optparse.OptionParser()
+  parser.add_option('--libraries-dir',
+      help='Directory that contains stripped libraries.')
+  parser.add_option('--device-dir',
+      help='Device directory to push the libraries to.')
+  parser.add_option('--libraries',
+      help='List of native libraries.')
+  parser.add_option('--stamp', help='Path to touch on success.')
+  parser.add_option('--build-device-configuration',
+      help='Path to build device configuration.')
+  parser.add_option('--configuration-name',
+      help='The build CONFIGURATION_NAME')
+  options, _ = parser.parse_args(args)
+
+  required_options = ['libraries', 'device_dir', 'libraries']
+  build_utils.CheckOptions(options, parser, required=required_options)
+  constants.SetBuildType(options.configuration_name)
+
+  DoPush(options)
+
+  if options.stamp:
+    build_utils.Touch(options.stamp)
+
+
+if __name__ == '__main__':
+  sys.exit(main(sys.argv[1:]))