'Run manifest tool with environment set. Strip out undesirable warning
(some XML blocks are recognized by the OS loader, but not the manifest
tool).'

def ExecManifestWrapper(self, arch, *args):

    env = self._GetEnv(arch)
    popen = subprocess.Popen(args, shell=True, env=env, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
    (out, _) = popen.communicate()
    for line in out.splitlines():
        if (line and ('manifest    authoring    warning    81010002' not in line)):
            print line
    return popen.returncode
