Merge "Check for unnecessarily allowlisted files" into main

            allowed_files.update(set(filter(lambda x: len(x), map(lambda x: x.lstrip().split('#',1)[0].rstrip() , allowlist_file.read().split('\n')))))

    def is_unknown_diff(filepath):

        return not filepath in allowed_files

        return filepath not in allowed_files

    def is_unnecessary_allowlist(filepath):

        return filepath not in kati_files.symmetric_difference(soong_files)

    unique_in_kati = set(filter(is_unknown_diff, kati_files - soong_files))

    unique_in_soong = set(filter(is_unknown_diff, soong_files - kati_files))

    unnecessary_allowlists = set(filter(is_unnecessary_allowlist, allowed_files))

    if unique_in_kati:

        print('')

        for item in sorted(unique_in_soong):

            print('  '+item)

    if unique_in_kati or unique_in_soong:

    if unnecessary_allowlists:

        print('')

        print(f'{COLOR_ERROR}Unnecessary files in allowlist.{COLOR_NORMAL}')

        print('Please remove these entries from build/make/tools/filelistdiff/allowlist')

        for item in sorted(unnecessary_allowlists):

            print('  '+item)

    if unique_in_kati or unique_in_soong or unnecessary_allowlists:

        print('')

        sys.exit(1)