Add client attribute object to FAFT test

This enables us to define some per-platform attributes and take
different action during test.

BUG=chrome-os-partner:10874
TEST=Check we can get attribute in test.

Change-Id: I6051aa6e6f1da5ff4a4229853939554973ab6aeb
Reviewed-on: https://gerrit.chromium.org/gerrit/26092
Reviewed-by: Tom Wai-Hong Tam <waihong@chromium.org>
Commit-Ready: Vic Yang <victoryang@chromium.org>
Tested-by: Vic Yang <victoryang@chromium.org>
diff --git a/server/cros/faftsequence.py b/server/cros/faftsequence.py
index a940a16..adabd08 100644
--- a/server/cros/faftsequence.py
+++ b/server/cros/faftsequence.py
@@ -14,6 +14,7 @@
 
 from autotest_lib.client.bin import utils
 from autotest_lib.client.common_lib import error
+from autotest_lib.server.cros.faft_client_attribute import FAFTClientAttribute
 from autotest_lib.server.cros.servo_test import ServoTest
 from autotest_lib.site_utils import lab_test
 
@@ -221,6 +222,9 @@
 
         super(FAFTSequence, self).initialize(host, cmdline_args, use_pyauto,
                 use_faft)
+        if use_faft:
+            self.client_attr = FAFTClientAttribute(
+                    self.faft_client.get_platform_name())
 
 
     def setup(self):