Add recipe for split AMP/local CQ.

scripts/slave/recipe_modules/amp/api.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.
 
 from recipe_engine import recipe_api
 
 
 class AmpApi(recipe_api.RecipeApi):
 
   def __init__(self, *args, **kwargs):
@@ skipping 220 matching lines @@
       api_port: The port of the AMP API endpoint.
       api_protocol: The protocol to use to connect to the AMP API endpoint.
       network_config: Use to have AMP run tests in a simulated network
         environment. See the availible network environment options at
         https://appurify.atlassian.net/wiki/display/APD/
           Run+Configurations+-+Test+and+Network
 
     Returns:
       A list of command-line arguments as strings.
     """
-    if not api_address:
-      raise self.m.step.StepFailure('api_address not specified')
-    if not api_port:
-      raise self.m.step.StepFailure('api_port not specified')
-    if not api_protocol:
-      raise self.m.step.StepFailure('api_protocol not specified')
-    if device_minimum_os and device_os:
-      raise self.m.step.StepFailure(
-          'cannot specify both device_minimum_os and device_os')
+    assert api_address, 'api_address not specified'
+    assert api_port, 'api_port not specified'
+    assert api_protocol, 'api_protocol not specified'
+    assert not (device_minimum_os and device_os), (
+        'cannot specify both device_minimum_os and device_os')
 
     amp_args = [
         '--enable-platform-mode',
         '-e', 'remote_device',
         '--api-key-file',
         self.m.path['build'].join('site_config', '.amp_api_key'),
         '--api-secret-file',
         self.m.path['build'].join('site_config', '.amp_api_secret'),
         '--api-address', api_address,
         '--api-port', api_port,
@@ skipping 13 matching lines @@
       amp_args += ['--remote-device-os', d]
 
     if device_timeout:
       amp_args += ['--remote-device-timeout', device_timeout]
 
     if network_config:
       amp_args += ['--network-config', network_config]
 
     return amp_args