[SPARK-15744][SQL] Rename two TungstenAggregation*Suites and update codgen/error messages/comments

## What changes were proposed in this pull request?

For consistency, this PR updates some remaining `TungstenAggregation/SortBasedAggregate` after SPARK-15728.
- Update a comment in codegen in `VectorizedHashMapGenerator.scala`.
- `TungstenAggregationQuerySuite` --> `HashAggregationQuerySuite`
- `TungstenAggregationQueryWithControlledFallbackSuite` --> `HashAggregationQueryWithControlledFallbackSuite`
- Update two error messages in `SQLQuerySuite.scala` and `AggregationQuerySuite.scala`.
- Update several comments.

## How was this patch tested?

Manual (Only comment changes and test suite renamings).

Author: Dongjoon Hyun <dongjoon@apache.org>

Closes #13487 from dongjoon-hyun/SPARK-15744.