impl(o11y): introduce `url.full` #222

Job	Run time
filter	1m 1s
build(21) except self-service clients	2m 11s
build (11)	2m 15s
build (17)	2m 17s
build(8) except for gapic-generator-java	2m 26s
build(8) for showcase	9m 33s
dependency_analyzer_unit_test	1m 15s
unmanaged_dependency_check	10m 36s
build(25) except self-service clients	2m 2s
gapic-generator-java-bom	2m 32s
showcase (21)	9m 58s
showcase-clirr	5m 26s
build(8) for gapic-generator-java	11m 15s
showcase (11)	10m 5s
showcase (17)	9m 58s
showcase (25)	10m 35s
	1h 33m 25s

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