* [web] make SubscriptionController.cancelSubscription return a status * [web] update acceptance test to match cancel subscription behavior GitOrigin-RevId: 507809dcb7fa645c2a69e38cdf4a9e3f736622e1
* [web] make SubscriptionController.cancelSubscription return a status * [web] update acceptance test to match cancel subscription behavior GitOrigin-RevId: 507809dcb7fa645c2a69e38cdf4a9e3f736622e1