Allow bloom filters for non dictionary encoded columns

Currently, bloom filters are only supported for dictionary encoded columns. Ideally, raw value columns should also be allowed.
cc: @Jackie-Jiang

Start by locating Pinot's bloom filter implementation and the checks that restrict it to dictionary encoded columns. Trace how raw value columns are handled and identify the relevant tests; done means bloom filters are accepted and validated for non-dictionary encoded columns.

Written by the indexing model from the issue text.