impl(o11y): introduce `url.full` #16937

Job	Run time
group_id_check_for_maps_libraries	7m 29s
gapic-bom	1m 43s
owlbot-py	1m 12s
gitignore_correctness	1m 2s
generate-readme	1m 1s
root-pom	1m 43s
owlbot-yaml	1m 6s
package_name_check	57s
	16m 13s

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