[SPARK-16919] Configurable update interval for console progress bar

## What changes were proposed in this pull request?

Currently the update interval for the console progress bar is hardcoded. This PR makes it configurable for users.

## How was this patch tested?

Ran a long running job and with a high value of update interval, the updates were shown less frequently.

Author: Tejas Patil <tejasp@fb.com>

Closes #14507 from tejasapatil/SPARK-16919.