Disable page_cycler_v2.typical_25 on Android One and Nexus 5X

tools/perf/benchmarks/page_cycler_v2.py

 # Copyright 2016 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.
 
 """The page cycler v2.
 
 For details, see design doc:
 https://docs.google.com/document/d/1EZQX-x3eEphXupiX-Hq7T4Afju5_sIdxPWYetj7ynd0
 """
 
@@ skipping 25 matching lines @@
   sites. Runs against pages recorded in June, 2014.
   """
   options = {'pageset_repeat': 3}
 
   @classmethod
   def Name(cls):
     return 'page_cycler_v2.typical_25'
 
   @classmethod
   def ShouldDisable(cls, possible_browser):  # crbug.com/615178
-    return (possible_browser.browser_type == 'reference' and
-        possible_browser.platform.GetOSName() == 'android')
+    return ((possible_browser.browser_type == 'reference' and
+             possible_browser.platform.GetOSName() == 'android') or
+            cls.IsSvelte(possible_browser) or  # crbug.com/616781
+            possible_browser.platform.GetDeviceTypeName() == 'Nexus 5X')
 
   def CreateStorySet(self, options):
     return page_sets.Typical25PageSet(run_no_page_interactions=True,
         cache_temperatures=[
           cache_temperature.PCV1_COLD, cache_temperature.PCV1_WARM])