android: use common known_devices_file path from chromium_android

scripts/slave/recipe_modules/chromium_tests/chromium_perf.py

 # Copyright 2015 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.
 
 import collections
 
 from . import steps
 
 
 _builders = collections.defaultdict(dict)
@@ skipping 51 matching lines @@
     spec['chromium_config_kwargs']['TARGET_ARCH'] = 'arm'
     spec['gclient_apply_config'] = ['android', 'perf']
   else:
     spec['compile_targets'] = ['chromium_builder_perf']
     spec['gclient_apply_config'] = ['chrome_internal']
 
   return spec
 
 
 def _TestSpec(parent_builder, perf_id, platform, target_bits, max_battery_temp,
-              shard_index, num_host_shards, num_device_shards,
-              known_devices_file):
+              shard_index, num_host_shards, num_device_shards):
   spec = _BaseSpec(
       bot_type='tester',
       chromium_apply_config=['chromium_perf'],
       disable_tests=platform == 'android',
       gclient_config='perf',
       platform=platform,
       target_bits=target_bits,
       tests=[steps.DynamicPerfTests(
         perf_id, platform, target_bits, max_battery_temp=max_battery_temp,
         num_device_shards=num_device_shards, num_host_shards=num_host_shards,
-        shard_index=shard_index, known_devices_file=known_devices_file)],
+        shard_index=shard_index)],
   )
 
   spec['parent_buildername'] = parent_builder
   spec['perf-id'] = perf_id
   spec['results-url'] = 'https://chromeperf.appspot.com'
 
   if platform == 'android':
     spec['android_config'] = 'perf'
     spec['chromium_config_kwargs']['TARGET_PLATFORM'] = 'android'
     spec['gclient_apply_config'] = ['android']
   else:
     spec['test_generators'] = [steps.generate_script]
     spec['test_spec_file'] = 'chromium.perf.json'
 
   return spec
 
 
 def _AddBuildSpec(name, platform, target_bits=64):
   SPEC['builders'][name] = _BuildSpec(platform, target_bits)
   assert target_bits not in _builders[platform]
   _builders[platform][target_bits] = name
 
 
 def _AddTestSpec(name, perf_id, platform, target_bits=64,
-                 max_battery_temp=350, num_host_shards=1, num_device_shards=1,
-                 known_devices_file='.known_devices'):
+                 max_battery_temp=350, num_host_shards=1, num_device_shards=1):
   parent_builder = _builders[platform][target_bits]
   for shard_index in xrange(num_host_shards):
     builder_name = '%s (%d)' % (name, shard_index + 1)
     SPEC['builders'][builder_name] = _TestSpec(
         parent_builder, perf_id, platform, target_bits, max_battery_temp,
-        shard_index, num_host_shards, num_device_shards, known_devices_file)
+        shard_index, num_host_shards, num_device_shards)
 
 
 _AddBuildSpec('Android Builder', 'android', target_bits=32)
 _AddBuildSpec('Android arm64 Builder', 'android')
 _AddBuildSpec('Win Builder', 'win', target_bits=32)
 _AddBuildSpec('Win x64 Builder', 'win')
 _AddBuildSpec('Mac Builder', 'mac')
 _AddBuildSpec('Linux Builder', 'linux')
 
 
@@ skipping 38 matching lines @@
 _AddTestSpec('Mac 10.10 Perf', 'chromium-rel-mac10', 'mac',
              num_host_shards=5)
 _AddTestSpec('Mac Retina Perf', 'chromium-rel-mac-retina', 'mac',
              num_host_shards=5)
 _AddTestSpec('Mac HDD Perf', 'chromium-rel-mac-hdd', 'mac',
              num_host_shards=5)
 
 
 _AddTestSpec('Linux Perf', 'linux-release', 'linux',
              num_host_shards=5)