Add step to process Render Test results.

scripts/slave/recipe_modules/chromium_android/example.py

Index: scripts/slave/recipe_modules/chromium_android/example.py
diff --git a/scripts/slave/recipe_modules/chromium_android/example.py b/scripts/slave/recipe_modules/chromium_android/example.py
index e7c265993125e9d67265d2ba795749b98ad1d715..3c78f8f5c237247b1187f1add2524d27b9208899 100644
--- a/scripts/slave/recipe_modules/chromium_android/example.py
+++ b/scripts/slave/recipe_modules/chromium_android/example.py
@@ -90,7 +90,10 @@ BUILDERS = freeze({
         'use_git_cache': False,
     },
     'json_results_file': {
-        'json_results_file': 'json_results_file'
+        'json_results_file': 'json_results_file',
+    },
+    'render_results': {
+        'render_results_dir': 'chrome/test/data/android/render_tests',
     },
     'result_details': {
         'result_details': True,
@@ -226,7 +229,8 @@ def RunSteps(api, buildername):
       json_results_file=config.get('json_results_file'),
       result_details=config.get('result_details'),
       cs_base_url=config.get('cs_base_url'),
-      store_tombstones=config.get('store_tombstones'))
+      store_tombstones=config.get('store_tombstones'),
+      render_results_dir=config.get('render_results_dir'))

[ghost stip (do not use), 2016/12/08 20:16:02]

ideally, we should detect the presence of these files and use that to key off
showing the results, not preconfiguring that

[mikecase (-- gone --), 2017/01/09 22:27:09]

acknowledged. Going to keep it as is at first, so I can first enable on FYI bots
only. And if everything works as intended, Ill change it to detect presence of
these files automatically instead of having to configure render_results_dir for
every bot.

   api.chromium_android.run_test_suite(
       'unittests',
       isolate_file_path=api.path['checkout'].join('some_file.isolate'),