cros_deploy: dlcservice_util takes single id

--dlc_ids is deprecated for --id

BUG=chromium:1078556
TEST=./run_pytest

Cq-Depend: chromium:2204667, chromium:2204668
Change-Id: Ie1a16b30d119ad50eb3d6a2a9ff92d681312f5a8
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/2204579
Tested-by: Jae Hoon Kim <kimjae@chromium.org>
Reviewed-by: Amin Hassani <ahassani@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Jae Hoon Kim <kimjae@chromium.org>
Auto-Submit: Jae Hoon Kim <kimjae@chromium.org>
diff --git a/cli/deploy_unittest.py b/cli/deploy_unittest.py
index 82bb72c..0c73ff3 100644
--- a/cli/deploy_unittest.py
+++ b/cli/deploy_unittest.py
@@ -415,7 +415,7 @@
 
     self.assertEqual(
         self.device.device.cmds,
-        [['dlcservice_util', '--uninstall', '--dlc_ids=foodlc'],
+        [['dlcservice_util', '--uninstall', '--id=foodlc'],
          ['restart', 'dlcservice']])
 
   def testDeployMergeWithProgressBar(self):