Called when we've found a matching a StatEntry.

def GlobReportMatch(self, stat_response):
    """Called when we've found a matching a StatEntry."""
    # By default write the stat_response to the AFF4 VFS.
    with data_store.DB.GetMutationPool() as pool:
      WriteStatEntries([stat_response],
                       client_id=self.client_id,
                       mutation_pool=pool,
                       token=self.token)