chore(bq jdbc): Add integration test suites #16671

Job	Run time
root-pom	1m 26s
gitignore_correctness	57s
owlbot-yaml	54s
generate-readme	1m 1s
package_name_check	53s
group_id_check_for_maps_libraries	6m 28s
gapic-bom	1m 38s
owlbot-py	1m 4s
	14m 21s

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