[Android] Add --adb-path option for tombstones.py.

build/android/devil_chromium.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.
 
 """Configures devil for use in chromium."""
 
 import os
 import sys
 
 from pylib.constants import host_paths
@@ skipping 81 matching lines @@
   'md5sum_host': [
     {
       'platform': 'linux2',
       'arch': 'x86_64',
       'name': 'md5sum_bin_host',
     },
   ],
 }
 
 
-def Initialize(output_directory=None, custom_deps=None):
+def Initialize(output_directory=None, custom_deps=None, adb_path=None):
   """Initializes devil with chromium's binaries and third-party libraries.
 
   This includes:
     - Libraries:
       - the android SDK ("android_sdk")
       - pymock ("pymock")
     - Build products:
       - host & device forwarder binaries
           ("forwarder_device" and "forwarder_host")
       - host & device md5sum binaries ("md5sum_device" and "md5sum_host")
@@ skipping 27 matching lines @@
               os.path.join(output_directory, dep_config['name']),
             ],
           }
           for dep_config in dep_configs
         }
       }
       for dep_name, dep_configs in _DEVIL_BUILD_PRODUCT_DEPS.iteritems()
     }
   if custom_deps:
     devil_dynamic_config['dependencies'].update(custom_deps)
+  if adb_path:
+    devil_dynamic_config['dependencies'].update({
+      'adb': {
+        devil_env.GetPlatform(): [adb_path]
+      }
+    })
 
   devil_env.config.Initialize(
       configs=[devil_dynamic_config], config_files=[_DEVIL_CONFIG])