Disable system_health.memory_mobile/browse:news:toi

Due to lake on android-marshmallow-arm64-rel

TBR: perezju@chromium.org
No-Try: True
Bug: 937006
Change-Id: I6a825c27e9a8d9a4aacfca30478782375dfc68cc
Reviewed-on: https://chromium-review.googlesource.com/c/1495859Reviewed-by: Ella Ge <eirage@chromium.org>
Commit-Queue: Ella Ge <eirage@chromium.org>
Cr-Commit-Position: refs/heads/master@{#636546}

tools/perf/benchmarks/system_health_smoke_test.py

@@ -134,6 +134,9 @@ _DISABLED_TESTS = frozenset({
 
   # crbug.com/903849
   'system_health.memory_mobile/browse:news:cnn:2018',
+
+  # crbug.com/937006
+  'system_health.memory_mobile/browse:news:toi',
 })