[devil] Add device provisioning logic to devil.

devil/devil/android/tools/device_status.py

Index: devil/devil/android/tools/device_status.py
diff --git a/devil/devil/android/tools/device_status.py b/devil/devil/android/tools/device_status.py
index 7e1696341bbc2255d8efb58314f0d85393e40914..dbfccb6e6c16d394effd375cc2f23b641eea6940 100755
--- a/devil/devil/android/tools/device_status.py
+++ b/devil/devil/android/tools/device_status.py
@@ -260,22 +260,12 @@ def main():
 
   run_tests_helper.SetLogLevel(args.verbose)
 
-
-  devil_dynamic_config = {
-    'config_type': 'BaseConfig',
-    'dependencies': {},
-  }
+  devil_dynamic_config = devil_env.EmptyConfig()
 
   if args.adb_path:
-    devil_dynamic_config['dependencies'].update({
-        'adb': {
-          'file_info': {
-            devil_env.GetPlatform(): {
-              'local_paths': [args.adb_path]
-            }
-          }
-        }
-    })
+    devil_dynamic_config['dependencies'].update(
+        devil_env.LocalConfigItem(
+            'adb', devil_env.GetPlatform(), args.adb_path))
   devil_env.config.Initialize(configs=[devil_dynamic_config])
 
   blacklist = (device_blacklist.Blacklist(args.blacklist_file)