If we are on a case sensitive file system with lower_case_table_names == 1, then
upgrade from 8.0.14, 8.0.15 and 8.0.16 should be rejected if we have partitioned
tables in the database, unless the command line option '--upgrade=force' is
submitted.

Change-Id: Ia805e94efbaf98ad981dfb08c676817b22ace0f8