def get_manifest_out_of_files(files):
    """
    Parses `files` for a file that ends with `androidmanifest.xml`.
    :param Set[str] files: list of paths to files as absolute paths
    :return: manifest string if in `files`, else None
    """
    for file_name in files:
        if file_name.lower().endswith("androidmanifest.xml"):
            return file_name
    return None