feat: Support both Spark2.4 and Spark3.4 in one module

[wangkewen]

Description

Previous approach (#25552) supporting both Spark2.4 and Spark3.4 utilizes two separate modules which incurred some release inconsistence issues. This change merges this change into existing module without generating separate modules.

Motivation and Context

It tries to resolve one issue mentioned here #25833.

Impact

Test Plan

Build for Spark2

$ mvn clean install -U -DskipTests -Dmaven.javadoc.skip=true -T1C -pl '!presto-docs'
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  20:28 min (Wall Clock)
[INFO] Finished at: 2026-02-11T14:16:44-08:00
[INFO] ------------------------------------------------------------------------

Build for Spark3

$ mvn clean install -U -DskipTests -Dmaven.javadoc.skip=true -Dspark-version=3 -T1C -pl '!presto-docs'
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  19:45 min (Wall Clock)
[INFO] Finished at: 2026-02-11T13:17:55-08:00
[INFO] ------------------------------------------------------------------------

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• Documented new properties (with its default value), SQL syntax, functions, or other functionality.
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• Adequate tests were added if applicable.
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Release Notes

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[shrinidhijoshi]

Thanks for getting started on this @wangkewen .

It looks like there we might have to fix the destination directory path from
java-spark2/com.facebook.presto..... -> java-spark2/com/facebook/presto/.... ?

[shrinidhijoshi]

Thanks for making changes. Left some comments

[wangkewen]

Thanks for getting started on this @wangkewen .

It looks like there we might have to fix the destination directory path from java-spark2/com.facebook.presto..... -> java-spark2/com/facebook/presto/.... ?

yeah, updated.

[czentgr]

@wangkewen Please rebase. The CI test issues should be resolved now.

[tdcmeehan]

@wangkewen can you please rebase again to fix up the CI. We need this before we can cut the release.

[steveburnett]

@wangkewen when you can, please rebase to re-run and hopefully pass the CI checks. This PR is needed for the next release of Presto.