[FLINK-15789][kubernetes] Do not wrap the InterruptedException and throw a different one in ActionWatcher.await

[wangyang0918]

What is the purpose of the change

The ActionWatcher.await method should declare that it throws an InterruptedException instead of catching it, not resetting the interrupted flag and then throwing a different exception.

Brief change log

• Throw InterruptedException in ActionWatcher.await

Verifying this change

• All the tests should work well
• Manually starting a Flink cluster on K8s

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, Yarn/Mesos, 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)

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Automated Checks

Last check on commit d3bc38e (Thu Jan 30 06:45:30 UTC 2020)

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• ❓ 1. The [description] looks good.
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• ❓ 3. Needs [attention] from.
• ❓ 4. The change fits into the overall [architecture].
• ❓ 5. Overall code [quality] is good.

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CI report:

• d3bc38e Travis: SUCCESS Azure: FAILURE
• f60216b Travis: SUCCESS Azure: SUCCESS

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[wangyang0918]

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[tillrohrmann]

Thanks for creating this PR @wangyang0918. The change looks good. I had a single comment which I will address while merging this PR.

[tillrohrmann]

I think it would be good enough to supply a SupplierWithException here via FunctionUtils.uncheckedSupplier().