[android] Split top-level scripts and libraries from build/android.

build/android/enable_asserts.py

+#!/usr/bin/env python
+#
+# Copyright (c) 2012 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.
+
+"""Enables dalvik vm asserts in the android device."""
+
+from pylib import android_commands
+import optparse
+import os
+import sys
+
+
+def main(argv):
+  option_parser = optparse.OptionParser()
+  option_parser.add_option('--enable_asserts', dest='set_asserts',
+      action='store_true', default=None,
+      help='Sets the dalvik.vm.enableassertions property to "all"')
+  option_parser.add_option('--disable_asserts', dest='set_asserts',
+      action='store_false', default=None,
+      help='Removes the dalvik.vm.enableassertions property')
+  options, args = option_parser.parse_args(argv)
+
+  commands = android_commands.AndroidCommands()
+  if options.set_asserts != None:
+    if commands.SetJavaAssertsEnabled(options.set_asserts):
+      commands.Reboot(full_reboot=False)
+
+
+if __name__ == '__main__':
+  main(sys.argv)