docs(samples): add query with arrays parameters

[pmakani]

Thank you for opening a Pull Request! Before submitting your PR, there are a few things you can do to make sure it goes smoothly:

• Make sure to open an issue as a bug/issue before writing your code! That way we can discuss the change, evaluate designs, and agree on the general idea
• Ensure the tests and linter pass
• Code coverage does not decrease (if any source code was changed)
• Appropriate docs were updated (if necessary)

[codecov]

Codecov Report

Merging #603 into master will decrease coverage by 0.06%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master     #603      +/-   ##
============================================
- Coverage     81.49%   81.43%   -0.07%     
  Complexity     1226     1226              
============================================
  Files            77       77              
  Lines          6220     6210      -10     
  Branches        691      681      -10     
============================================
- Hits           5069     5057      -12     
+ Misses          792      790       -2     
- Partials        359      363       +4     

Impacted Files	Coverage Δ	Complexity Δ
...ogle/cloud/bigquery/WriteChannelConfiguration.java	86.23% <0.00%> (-0.58%)	46.00% <0.00%> (ø%)
...om/google/cloud/bigquery/LoadJobConfiguration.java	92.77% <0.00%> (-0.44%)	56.00% <0.00%> (ø%)
...a/com/google/cloud/bigquery/InsertAllResponse.java	88.88% <0.00%> (-0.31%)	15.00% <0.00%> (ø%)
...m/google/cloud/bigquery/QueryJobConfiguration.java	89.80% <0.00%> (-0.28%)	66.00% <0.00%> (ø%)
...google/cloud/bigquery/StandardTableDefinition.java	93.15% <0.00%> (-0.19%)	16.00% <0.00%> (ø%)
...n/java/com/google/cloud/bigquery/BigQueryImpl.java	83.42% <0.00%> (-0.18%)	74.00% <0.00%> (ø%)
...src/main/java/com/google/cloud/bigquery/Field.java	83.33% <0.00%> (-0.17%)	27.00% <0.00%> (ø%)
.../google/cloud/bigquery/spi/v2/HttpBigQueryRpc.java	5.23% <0.00%> (+0.03%)	2.00% <0.00%> (ø%)

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