Allow skipping some columns during statistics collection in DeltaLake

[pajaks]

As collection of statistics can be time consuming and may produce bloated transaction log it would be good to have property that restrict statistics collection to some columns only.
Similar to: https://docs.delta.io/latest/optimizations-oss.html#data-skipping

[ebyhr]

Delta Lake is going to introduce dataSkippingStatsColumns property in delta-io/delta#1763