arcvm: Fix typo in TODO. |is_managed_account| doesn't exist anymore

BUG=None
TEST=try

Change-Id: Ibe7d51b4b2afe9697ca689ab9998433ab7eba5ea
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2094189
Auto-Submit: Yusuke Sato <yusukes@chromium.org>
Commit-Queue: Hidehiko Abe <hidehiko@chromium.org>
Reviewed-by: Hidehiko Abe <hidehiko@chromium.org>
Cr-Commit-Position: refs/heads/master@{#748101}

components/arc/session/arc_vm_client_adapter.cc

@@ -196,7 +196,8 @@ std::vector<std::string> GenerateKernelCmdline(
     }
   }
 
-  // TODO(yusukes): Handle |is_managed_account| in |upgrade_params|.
+  // TODO(yusukes): Handle |is_account_managed| in |upgrade_params| when we
+  // implement apk sideloading for ARCVM.
   return result;
 }