feat(bq jdbc): run getStatementType in parallel #16989

Job	Run time
owlbot-yaml	58s
generate-readme	1m 4s
owlbot-py	1m 7s
root-pom	1m 33s
gapic-bom	1m 37s
group_id_check_for_maps_libraries	7m 4s
package_name_check	59s
gitignore_correctness	1m 0s
	15m 22s

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