Reland of [Android] Enable platform mode for perf tests on Galaxy S5

scripts/slave/recipes/android/perf.py

 # Copyright 2014 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.
 
 from recipe_engine.types import freeze
 
 
 DEPS = [
     'adb',
     'chromium',
@@ skipping 49 matching lines @@
     tester_spec[builder_name] = _CreateShardTestSpec(
         name, perf_id, required_apks, num_device_shards, num_host_shards,
         shard_index, target_bits, browser_name, remove_system_webview,
         enable_platform_mode)
   return tester_spec
 
 def _ChromiumPerfTesters():
   testers = [
     _CreateTestSpec('Android Galaxy S5 Perf', 'android-galaxy-s5',
         required_apks=['ChromePublic.apk'], num_device_shards=7,
-        num_host_shards=3, target_bits=32),
+        num_host_shards=3, target_bits=32, enable_platform_mode=True),
     _CreateTestSpec('Android Nexus5 Perf', 'android-nexus5',
         required_apks=['ChromePublic.apk'], num_device_shards=7,
         num_host_shards=3, target_bits=32),
     _CreateTestSpec('Android Nexus5X Perf', 'android-nexus5X',
         required_apks=['ChromePublic.apk'], num_device_shards=7,
         num_host_shards=3),
     _CreateTestSpec('Android Nexus6 Perf', 'android-nexus6',
         required_apks=['ChromePublic.apk'], num_device_shards=7,
         num_host_shards=3, target_bits=32),
     _CreateTestSpec('Android Nexus7v2 Perf', 'android-nexus7v2',
@@ skipping 202 matching lines @@
           mastername='chromium.perf',
           buildername='Android Nexus5 Perf (1)',
           parent_buildername='parent_buildername',
           parent_buildnumber='1729',
           parent_revision='deadbeef',
           revision='deadbeef',
           slavename='slavename',
           target='Release') +
       api.override_step_data(
           'perf_test.foo', retcode=87))