[SPARK-19231][SPARKR] add error handling for download and untar for Spark release

## What changes were proposed in this pull request?

When R is starting as a package and it needs to download the Spark release distribution we need to handle error for download and untar, and clean up, otherwise it will get stuck.

## How was this patch tested?

manually

Author: Felix Cheung <felixcheung_m@hotmail.com>

Closes #16589 from felixcheung/rtarreturncode.