Fix the telemetry errors when running all CPU/memory related tests.

chrome/test/media_router/telemetry/benchmarks/media_router_benchmark.py

Index: chrome/test/media_router/telemetry/benchmarks/media_router_benchmark.py
diff --git a/chrome/test/media_router/telemetry/benchmarks/media_router_benchmark.py b/chrome/test/media_router/telemetry/benchmarks/media_router_benchmark.py
index 04892f09e45a639f446f772473311653e9307a6b..82ae9dae7e38ea6aa4cdf50111039dce58229063 100644
--- a/chrome/test/media_router/telemetry/benchmarks/media_router_benchmark.py
+++ b/chrome/test/media_router/telemetry/benchmarks/media_router_benchmark.py
@@ -80,7 +80,7 @@ class HistogramCastBenckmark(_BaseCastBenchmark):
 class CPUMemoryCastBenckmark(_BaseCastBenchmark):
   """Benchmark for CPU and memory usage with Media Router."""
 
-  options = {'page_repeat': 1}
+  options = {'pageset_repeat': 1}
 
   page_set = media_router_perf_pages.MediaRouterCPUMemoryPageSet
 
@@ -95,7 +95,7 @@ class CPUMemoryCastBenckmark(_BaseCastBenchmark):
 class CPUMemoryBenckmark(perf_benchmark.PerfBenchmark):
   """Benchmark for CPU and memory usage without Media Router."""
 
-  options = {'page_repeat': 1}
+  options = {'pageset_repeat': 1}
 
   page_set = media_router_perf_pages.CPUMemoryPageSet