[SPARK-15315][SQL] Adding error check to the CSV datasource writer for...

[SPARK-15315][SQL] Adding error check to  the CSV datasource writer for unsupported complex data types.

## What changes were proposed in this pull request?

Adds error handling to the CSV writer  for unsupported complex data types.  Currently garbage gets written to the output csv files if the data frame schema has complex data types.

## How was this patch tested?

Added new unit test case.

Author: sureshthalamati <suresh.thalamati@gmail.com>

Closes #13105 from sureshthalamati/csv_complex_types_SPARK-15315.