impl(o11y): introduce error attributes #157

Job	Run time
filter	1m 9s
unmanaged_dependency_check	8m 46s
build(8) for showcase	6h 5m 0s
build(8) except for gapic-generator-java	3m 54s
build(8) for gapic-generator-java	11m 20s
build(25) except self-service clients	12m 46s
build(21) except self-service clients	12m 38s
dependency_analyzer_unit_test	1m 38s
build (17)	13m 48s
build (11)	13m 50s
gapic-generator-java-bom	2m 40s
showcase (17)	6h 5m 0s
showcase-clirr	3m 40s
showcase (25)	6h 5m 0s
showcase (11)	6h 5m 0s
showcase (21)	6h 5m 0s
	1d 7h 51m 9s

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