Disable pace_cycler.typical_25 on android

Causing redness on Nexus 10 perf bot.

BUG=470071
TBR=dtu@chromium.org,rune@opera.com
NOTRY=true

Review URL: https://codereview.chromium.org/1022543004

Cr-Commit-Position: refs/heads/master@{#321978}

tools/perf/benchmarks/page_cycler.py

@@ -199,7 +199,8 @@ class PageCyclerToughLayoutCases(_PageCycler):
 
 
 # crbug.com/273986: This test is flakey on Windows.
-@benchmark.Disabled('win')
+# crbug.com/470071: This test is failing on N10
+@benchmark.Disabled('win', 'android')
 class PageCyclerTypical25(_PageCycler):
   """Page load time benchmark for a 25 typical web pages.