[FLINK-38981][table] Migrate BatchPhysicalSortMergeJoinRule to java

[liuyongvs]

What is the purpose of the change

The PR migrates BatchPhysicalSortMergeJoinRule to java

Verifying this change

This change is already covered by existing tests

Does this pull request potentially affect one of the following parts:

• Dependencies (does it add or upgrade a dependency): (no)
• The public API, i.e., is any changed class annotated with @Public(Evolving): (no)
• The serializers: (no)
• The runtime per-record code paths (performance sensitive): (no)
• Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: (no)
• The S3 file system connector: (no)

Documentation

• Does this pull request introduce a new feature? (no)
• If yes, how is the feature documented? (not applicable)

[flinkbot]

CI report:

• 5fb1e37 Azure: SUCCESS

Bot commands

The @flinkbot bot supports the following commands:

• @flinkbot run azure re-run the last Azure build

[liuyongvs]

@flinkbot run azure

[snuyanzin]

Can we migrate the whole hierarchy to avoid intermediate state when part is in java and part is in scala?

[liuyongvs]

@snuyanzin we can step by step. BatchPhysicalJoinRuleBase has different implementation. i will migrate it to java in later pr

[liuyongvs]

@snuyanzin will you have a look again?

[liuyongvs]

@snuyanzin will you have a look again?