Revert "Merge remote branch 'cros/upstream' into autotest-rebase"

client/tests/kvm/kvm_scheduler.py

Index: client/tests/kvm/kvm_scheduler.py
diff --git a/client/tests/kvm/kvm_scheduler.py b/client/tests/kvm/kvm_scheduler.py
index 95282e447785ecf3361d261ed571ae61b78a282b..f1adb39ab9f781be36bccfaf66d9e19787ea0625 100644
--- a/client/tests/kvm/kvm_scheduler.py
+++ b/client/tests/kvm/kvm_scheduler.py
@@ -74,13 +74,13 @@ class scheduler:
             # The scheduler wants this worker to free its used resources
             elif cmd[0] == "cleanup":
                 env_filename = os.path.join(self.bindir, self_dict["env"])
-                env = kvm_utils.Env(env_filename)
+                env = kvm_utils.load_env(env_filename, {})
                 for obj in env.values():
                     if isinstance(obj, kvm_vm.VM):
                         obj.destroy()
-                    elif isinstance(obj, kvm_subprocess.Spawn):
+                    elif isinstance(obj, kvm_subprocess.kvm_spawn):
                         obj.close()
-                env.save()
+                kvm_utils.dump_env(env, env_filename)
                 w.write("cleanup_done\n")
                 w.write("ready\n")