Fixing formatting issue in javadocs.
Fixing formatting issue in javadocs.

rameshdharan/cloud-bigtable-client,sduskis/cloud-bigtable-client,googleapis/java-bigtable-hbase,kevinsi4508/cloud-bigtable-client,sduskis/cloud-bigtable-client,waprin/cloud-bigtable-client,derjust/cloud-bigtable-client,kevinsi4508/cloud-bigtable-client,rameshdharan/cloud-bigtable-client,googleapis/java-bigtable-hbase,agibsonccc/cloud-bigtable-client,googleapis/java-bigtable-hbase