Adds a client to the index.

    Args:
      client: A VFSGRRClient record to add or update.

def AddClient(self, client):
    """Adds a client to the index.

    Args:
      client: A VFSGRRClient record to add or update.
    """

    client_id, keywords = self.AnalyzeClient(client)
    self.AddKeywordsForName(client_id, keywords)