Re-enable page_cycler.intl_ko_th_vi on android.

BUG=506903

Review URL: https://codereview.chromium.org/1639353002

Cr-Commit-Position: refs/heads/master@{#372085}

tools/perf/benchmarks/page_cycler.py

@@ -107,7 +107,7 @@ class PageCyclerIntlJaZh(_PageCycler):
         value, is_first_result) and value.name != filtered_name)
 
 
-@benchmark.Disabled('xp', 'android')  # crbug.com/434366, crbug.com/506903
+@benchmark.Disabled('xp')  # crbug.com/434366
 class PageCyclerIntlKoThVi(_PageCycler):
   """Page load time for a variety of pages in Korean, Thai and Vietnamese.