[SPARK-LLAP-209] Add jackson exclusions to fix SparkSession use in unit tests (#210)
[SPARK-LLAP-209] Add jackson exclusions to fix SparkSession use in unit tests (#210)

## What changes were proposed in this pull request?

Add jackson exclusion in 1 Tez and 1 Hive module dependency

## How was this patch tested?

Existing unit tests succeed

```
[info] ScalaTest
[info] Run completed in 8 seconds, 262 milliseconds.
[info] Total number of tests run: 25
[info] Suites: completed 4, aborted 0
[info] Tests: succeeded 25, failed 0, canceled 0, ignored 0, pending 0
[info] All tests passed.
[info] Passed: Total 25, Failed 0, Errors 0, Passed 25
[success] Total time: 39 s, completed May 6, 2018 8:11:43 PM
```
hortonworks-spark/spark-llap,hortonworks-spark/spark-llap,hortonworks-spark/spark-llap