feat(bqjdbc): Per connection logs - Add PerConnectionFileHandler #18179

Job	Run time
owlbot-py	1m 13s
package_name_check	1m 1s
gapic-bom	1m 40s
owlbot-yaml	1m 1s
group_id_check_for_maps_libraries	8m 3s
root-pom	1m 39s
generate-readme	1m 8s
gitignore_correctness	1m 7s
	16m 52s

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