[FLINK-35015][formats] allow passing hadoop config into parquet reader

[HuangZhenQiu]

What is the purpose of the change

Allow passing hadoop config into parquet reader

Brief change log

• Change AvroParquetRecordFormat to take hadoop config in AvroParquetReader builder.

Verifying this change

This change is a trivial rework / code cleanup without any test coverage.

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:

• 7783876 Azure: SUCCESS

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[mbalassi]

What happens here if the optional flink-hadoop-fs is not on the classpath?

[HuangZhenQiu]

It exists in flink runtime https://github.com/apache/flink/blob/master/flink-runtime/pom.xml#L103, so it is not a concern?

[mbalassi]

Thanks for addressing my concern, looks good.

[mbalassi]

Merging this given no objections. We had an offline discussion with @HuangZhenQiu to see if a test could be added to cover this with reasonable effort. We did not find a straight-forward approach at this time.