Adds autox deps configuration and adds setup to AutoLogin

client/site_tests/system_AutoLogin/system_AutoLogin.py

Index: client/site_tests/system_AutoLogin/system_AutoLogin.py
diff --git a/client/site_tests/system_AutoLogin/system_AutoLogin.py b/client/site_tests/system_AutoLogin/system_AutoLogin.py
index 9cf5f8e0ae56fed2367e3369c3555cfe40c2167f..66f981597dc459fe1a0e7dd43077d3cf11b6f75c 100644
--- a/client/site_tests/system_AutoLogin/system_AutoLogin.py
+++ b/client/site_tests/system_AutoLogin/system_AutoLogin.py
@@ -9,19 +9,29 @@ from autotest_lib.client.common_lib import error
 class system_AutoLogin(test.test):
     version = 1
 
+    def setup(self):
+        self.job.setup_dep(['autox'])
+        # create a empty srcdir to prevent the error that checks .version file
+        if not os.path.exists(self.srcdir):
+            os.mkdir(self.srcdir)
+
     def run_once(self):
-        # Test account information embedded into json file        
-        
+        # Test account information embedded into json file
+
+        dep = 'autox'
+        dep_dir = os.path.join(self.autodir, 'deps', dep)
+        self.job.install_pkg(dep, 'dep', dep_dir)
+
         # Set up environment to access login manager
-        environment_cmd = \
-            'export DISPLAY=:0.0 && export XAUTHORITY=/home/chronos/.Xauthority'        
-                
-        xtest_binary = '/usr/bin/autox'
-        xtest_script = os.path.join(self.bindir, 'autox_script.json')                            
-        
+        environment_vars = \
+            'DISPLAY=:0.0 XAUTHORITY=/home/chronos/.Xauthority'
+
+        autox_binary = '%s/%s' % (dep_dir, 'usr/bin/autox')
+        autox_script = os.path.join(self.bindir, 'autox_script.json')
+
         try:
-            utils.system('%s && %s %s' \
-                         % (environment_cmd, xtest_binary, xtest_script))
+            utils.system('%s %s %s' \
+                         % (environment_vars, autox_binary, autox_script))
         except error.CmdError, e:
             logging.debug(e)
-            raise error.TestFail('AutoX program failed to login for test user')
+            raise error.TestFail('AutoX program failed to login for test user')