Merge "flatbuffers: Add privacy filter for boolean type FilterTypeBool"

bool internal::FilterTypeBool(const reflection::Field& field, flatbuffers::Table* table, PrivacyLevel privacy_level) {

  ASSERT(table != nullptr);

  // TODO(cmanton) Figure out boolean filtering

  const bool default_val = flatbuffers::GetFieldDefaultI<int8_t>(field);

  flatbuffers::voffset_t field_offset = field.offset();

  // boolean privacy levels are simpler.

  switch (privacy_level) {

    case kPrivate:

    case kOpaque:

    case kAnonymized:

      flatbuffers::SetField<int8_t>(table, field, default_val);

      internal::ScrubFromTable(table, field_offset);

      break;

    default:

    case kAny:

      break;

  }

  return kFieldHasBeenFiltered;

}