[java] BQ: use logical type in avro schema factory on write

[RustedBones]

when writing to BQ with avro, if the table schema contains DATE, TIME, TIMESTAMP columns, the default schema factory should create avro fields with matching logical type.

There is still an issue with DATETIME: BigQueryAvroUtils::toGenericAvroSchema favors generating schema for the reading side and generates an avro field with string(datetime) type. This can't be used on write (expecting long(local-timestamp-millis) or long(local-timestamp-micros)).

See note in doc

When exporting to Avro from BigQuery, DATETIME is exported as a STRING with a custom logical time that is not recognized as a DATETIME upon importing back into BigQuery.

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