Add new stats pruning helpers to allow combining partition values in file level stats (#16139)

* wip

* Add PrunableStatistics, PartitionPruningStatistics and CompositePruningStatistics for partition + file level stats pruning

* pr feedback

* clippy

* Update datafusion/common/src/pruning.rs

Co-authored-by: Andrew Lamb <andrew@nerdnetworks.org>

* Revert "Update datafusion/common/src/pruning.rs"

This reverts commit 8b6f1a2.

* use ScalarValue::from

* broken imple using eq kernel

* fix arrays

* clippy, remove collect

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Co-authored-by: Andrew Lamb <andrew@nerdnetworks.org>

Author: adriangb