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

tools/perf/benchmarks/page_cycler.py

Index: tools/perf/benchmarks/page_cycler.py
diff --git a/tools/perf/benchmarks/page_cycler.py b/tools/perf/benchmarks/page_cycler.py
index 8f5834fbb9ec996b15a657b146e1572cbb2b8ea0..a7d086645ff2a1ca673843bf305c8b3ab06160d7 100644
--- a/tools/perf/benchmarks/page_cycler.py
+++ b/tools/perf/benchmarks/page_cycler.py
@@ -118,6 +118,11 @@ class PageCyclerIntlKoThVi(_PageCycler):
   def Name(cls):
     return 'page_cycler.intl_ko_th_vi'
 
+  @classmethod
+  def ShouldDisable(cls, possible_browser):  # http://crbug.com/597656
+      return (possible_browser.browser_type == 'reference' and
+              possible_browser.platform.GetDeviceTypeName() == 'Nexus 5X')
+
 
 class PageCyclerMorejs(_PageCycler):
   """Page load for a variety of pages that were JavaScript heavy in 2009."""