feat: migrate BQ Java samples from java-docs-samples to client lib

[stephaniewang526]

Fixes b/146052864

[codecov]

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  Complexity        ?     1107           
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  Branches          ?      635           
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  Hits              ?     4561           
  Misses            ?     1010           
  Partials          ?      330

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[chingor13]

We'll need to fix the dependencies test as well.

[BenWhitehead]

We also need to disable release for the sample module. @chingor13 How do we do that with the current setup of things.

[chingor13]

I opened #23 to track figuring out the release config