Fix typo in density config.
Fix typo in density config.

sjug/perf-tests,sjug/perf-tests,sjug/perf-tests,kubernetes/perf-tests,shyamjvs/perf-tests,kubernetes/perf-tests,kubernetes/perf-tests,sjug/perf-tests,shyamjvs/perf-tests,shyamjvs/perf-tests,shyamjvs/perf-tests,kubernetes/perf-tests,shyamjvs/perf-tests,sjug/perf-tests,kubernetes/perf-tests