[FLINK-20400][e2e] Migrate test_streaming_sql.sh

[morazow]

What is the purpose of the change

Migrate test_streaming_sql.sh bash based end-to-end tests to docker based FlinkContainers framework.

Brief change log

• Add Java ITCase using FlinkContainers for test_streaming_sql.sh logic
• Implement helper methods in FlinkContainers to obtain job submission results from taskmanagers
• Remove test_streaming_sql.sh from e2e tests

Verifying this change

• Integration tests to check the streaming job results
• Integration and unit tests to validate the helper methods

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:

• 2245f033a917e130fc5993294f4e9731e1cf5e91 Azure: FAILURE

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