tools/battor_agent: Adds a tool to find connected BattOrs

tools/battor_agent/battor_agent.gyp

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'battor_agent',
       'type': 'executable',
       'include_dirs': [
@@ skipping 17 matching lines @@
         '../..',
       ],
       'sources': [
         'battor_agent.cc',
         'battor_agent.h',
         'battor_connection.cc',
         'battor_connection.h',
         'battor_connection_impl.cc',
         'battor_connection_impl.h',
         'battor_error.h',
+        'battor_finder.cc',
+        'battor_finder.h',
         'battor_sample_converter.cc',
         'battor_sample_converter.h',
       ],
       'dependencies': [
         '../../base/base.gyp:base',
         '../../device/serial/serial.gyp:device_serial',
         '../../device/serial/serial.gyp:device_serial_mojo',
       ]
     },
     {
@@ skipping 13 matching lines @@
       ],
       'sources': [
         'battor_agent_unittest.cc',
         'battor_connection_impl_unittest.cc',
         'battor_protocol_types_unittest.cc',
         'battor_sample_converter_unittest.cc',
       ],
     },
   ],
 }