Disabled more reference builds on the Nexus5X due to the TimeoutException error

tools/perf/benchmarks/power.py

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 from core import perf_benchmark
 
 from benchmarks import silk_flags
 from measurements import power
 import page_sets
 from telemetry import benchmark
@@ skipping 40 matching lines @@
 
   def SetExtraBrowserOptions(self, options):
     options.full_performance_mode = False
 
   @classmethod
   def Name(cls):
     return 'power.tough_ad_cases'
 
   @classmethod
   def ShouldDisable(cls, possible_browser):
-    return cls.IsSvelte(possible_browser) # http://crbug.com/593973
+     # http://crbug.com/563968, http://crbug.com/593973
+    return (cls.IsSvelte(possible_browser) or
+      (possible_browser.browser_type ==  'reference' and
+       possible_browser.platform.GetDeviceTypeName() == 'Nexus 5X'))
 
 
 @benchmark.Enabled('android')
 @benchmark.Disabled('all')
 class PowerTypical10MobileReload(perf_benchmark.PerfBenchmark):
   """Android typical 10 mobile power reload test."""
   test = power.LoadPower
   page_set = page_sets.Typical10MobileReloadPageSet
 
   def SetExtraBrowserOptions(self, options):
@@ skipping 14 matching lines @@
   def SetExtraBrowserOptions(self, options):
     silk_flags.CustomizeBrowserOptionsForGpuRasterization(options)
     options.full_performance_mode = False
 
   @classmethod
   def Name(cls):
     return 'power.gpu_rasterization.typical_10_mobile'
 
   @classmethod
   def ShouldDisable(cls, possible_browser):
-    return cls.IsSvelte(possible_browser)  # http://crbug.com/563968
+     # http://crbug.com/563968, http://crbug.com/593973
+    return (cls.IsSvelte(possible_browser) or
+      (possible_browser.browser_type ==  'reference' and
+       possible_browser.platform.GetDeviceTypeName() == 'Nexus 5X'))
 
 
 @benchmark.Enabled('mac')
 class PowerTop10(perf_benchmark.PerfBenchmark):
   """Top 10 quiescent power test."""
   test = power.QuiescentPower
   page_set = page_sets.Top10PageSet
 
   def SetExtraBrowserOptions(self, options):
     options.full_performance_mode = False
@@ skipping 58 matching lines @@
     return 'power.gpu_rasterization.top_25'
 
   def CreateStorySet(self, _):
     # Exclude techcrunch.com. It is not suitable for this benchmark because it
     # does not consistently become quiescent within 60 seconds.
     stories = self.page_set()
     found = next((x for x in stories if 'techcrunch.com' in x.url), None)
     if found:
       stories.RemoveStory(found)
     return stories