Disable key_mobile_sites benchmarks which are timing out.

tools/perf/benchmarks/smoothness.py

Index: tools/perf/benchmarks/smoothness.py
diff --git a/tools/perf/benchmarks/smoothness.py b/tools/perf/benchmarks/smoothness.py
index 733eb121c073789b7da524dc4c050f701fd5b780..bf623386ff2385a9e160410281c4acca6fe40ef6 100644
--- a/tools/perf/benchmarks/smoothness.py
+++ b/tools/perf/benchmarks/smoothness.py
@@ -153,7 +153,8 @@ class SmoothnessKeyDesktopMoveCases(_Smoothness):
               possible_browser.platform.GetOSName() == 'win')
 
 
-@benchmark.Enabled('android')
+@benchmark.Disabled('all')
+#@benchmark.Enabled('android')
 @benchmark.Owner(emails=['vmiura@chromium.org', 'tdresser@chromium.org'])
 class SmoothnessKeyMobileSites(_Smoothness):
   """Measures rendering statistics while scrolling down the key mobile sites.
@@ -276,7 +277,8 @@ class SmoothnessGpuRasterizationFiltersCases(_Smoothness):
             possible_browser.browser_type == 'reference')
 
 
-@benchmark.Enabled('android')
+@benchmark.Disabled('all')
+#@benchmark.Enabled('android')
 @benchmark.Owner(emails=['tdresser@chromium.org', 'rbyers@chromium.org'])
 class SmoothnessSyncScrollKeyMobileSites(_Smoothness):
   """Measures rendering statistics for the key mobile sites with synchronous