[Telemetry + tools/perf] Modify the pylint disable message to use symbolic name

tools/perf/benchmarks/benchmark_unittest.py

Index: tools/perf/benchmarks/benchmark_unittest.py
diff --git a/tools/perf/benchmarks/benchmark_unittest.py b/tools/perf/benchmarks/benchmark_unittest.py
index 9fe848d1a1857b9409b78a6951bd76c785915aaa..1a8b5897dc82fb2fbe5d26716de31c2b1173e88a 100644
--- a/tools/perf/benchmarks/benchmark_unittest.py
+++ b/tools/perf/benchmarks/benchmark_unittest.py
@@ -27,7 +27,7 @@ def _GetAllPerfBenchmarks():
       index_by_class_name=True).values()
 
 def _BenchmarkOptionsTestGenerator(benchmark):
-  def testBenchmarkOptions(self):  # pylint: disable=W0613
+  def testBenchmarkOptions(self):  # pylint: disable=unused-argument
     """Invalid options will raise benchmark.InvalidOptionsError."""
     options = browser_options.BrowserFinderOptions()
     parser = options.CreateParser()