Add java to PATH on windows bots and run ia32 editor tests instead of x64 on windows

tools/bots/editor.py

 #!/usr/bin/python
 # Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 import os
 import sys
 
 import bot
 
@@ skipping 17 matching lines @@
   elif sys.platform == 'linux2':
     return os.path.join(linux_path, 'DartEditor')
   else:
     raise Exception('Unknown platform %s' % sys.platform)
 
 
 def main():
   build_py = os.path.join('tools', 'build.py')
   architectures = ['ia32', 'x64']
   test_architectures = ['x64']
+  if sys.platform == 'win32':
+    # Our windows bots pull in only a 32 bit JVM.
+    test_architectures = ['ia32']
 
   for arch in architectures:
     with bot.BuildStep('Build Editor %s' % arch):
       args = [sys.executable, build_py,
               '-mrelease', '--arch=%s' % arch, 'editor']
       print 'Running: %s' % (' '.join(args))
       sys.stdout.flush()
       bot.RunProcess(args)
 
   for arch in test_architectures:
     editor_executable = GetEditorExecutable('Release', arch)
     with bot.BuildStep('Test Editor %s' % arch):
       args = [editor_executable, '--test', '--auto-exit']
       print 'Running: %s' % (' '.join(args))
       sys.stdout.flush()
       bot.RunProcess(args)
   return 0
 
 if __name__ == '__main__':
   try:
     sys.exit(main())
   except OSError as e:
     sys.exit(e.errno)