Merge "Make extract_package() work for toplevel classes."

        The package name of the class containing the field/method.

    """

    full_class_name = signature.split(";->")[0]

    package_name = full_class_name[1:full_class_name.rindex("/")]

    # Example: Landroid/hardware/radio/V1_2/IRadio$Proxy

    if (full_class_name[0] != "L"):

        raise ValueError("Expected to start with 'L': %s" % full_class_name)

    full_class_name = full_class_name[1:]

    # If full_class_name doesn't contain '/', then package_name will be ''.

    package_name = full_class_name.rpartition("/")[0]

    return package_name.replace('/', '.')

class FlagsDict: