[native] Support reading Iceberg V2 tables with Position deletes

[imjalpreet]

Description

This PR adds support for reading Iceberg V2 tables with Position Deletes. An unsupported exception will be thrown if the table contains Equality Deletes

Motivation and Context

facebookincubator/velox#7847

Impact

With this change, users will be able to read a subset of Iceberg V2 Tables, i.e. tables with position deletes.

Test Plan

Tested manually by creating Iceberg V2 tables with multiple Position Deletes.

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• Documented new properties (with its default value), SQL syntax, functions, or other functionality.
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Release Notes

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== RELEASE NOTES ==

Prestissimo (Native Execution) Changes
* Add support to read Iceberg V2 tables with Position Deletes 

[yingsu00]

@imjalpreet Have you tried the copy constructors yet? Do they work?

[imjalpreet]

Have you tried the copy constructors yet? Do they work?

@yingsu00 sorry I forgot to push my commit, I thought I had already done that. Yes, I had made the changes and those worked.

[yingsu00]

@imjalpreet There are test failures

org.apache.iceberg.exceptions.NotFoundException: Failed to open input stream for file: file:/tmp/PrestoTest1442477645755568799/iceberg_data/catalog/test_metadata_schema/iceberg_table1/metadata/00000-ff582f52-419c-493e-90f2-f1ea493599cb.metadata.json

Can you please take a look? Thanks!

[imjalpreet]

There are test failures

Unrelated failures since we haven't made any changes to the Java code. Most probably intermittent, I have re-run the test suite to verify.