test: add test for maven-javadoc-plugin version #709

Job	Run time
build (8, java-bigquery, test)	2m 42s
build (8, java-bigquery, lint)	1m 2s
javadoc-with-doclet (java-bigtable)	1m 34s
build (8, java-bigquery, clirr)	56s
build (8, java-bigquery, javadoc)	1m 22s
build (8, java-bigtable, test)	3m 48s
build (8, java-bigtable, lint)	1m 32s
build (8, java-bigtable, clirr)	1m 46s
build (8, java-bigtable, javadoc)	2m 47s
build (11, java-bigquery, test)	3m 4s
build (11, java-bigquery, lint)	1m 19s
build (11, java-bigquery, clirr)	1m 6s
build (11, java-bigquery, javadoc)	1m 10s
build (11, java-bigtable, test)	3m 47s
build (11, java-bigtable, lint)	1m 46s
build (11, java-bigtable, clirr)	2m 8s
build (11, java-bigtable, javadoc)	3m 7s
	34m 56s

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