d5e7ca924d
If confirmation code is null and required during downloading a profile, returns a resovable error, and show ConfirmationCodeActivity. After we get the confirmation code from the user, continue the operation. Add the confirmationCode as a member in DownloadableSubscription. Merged-In: Ibe1e0fc5ddb736b411faf48ec9bea3c68972bb99 Test: unit test, e2e on phone Bug: 36730837 Change-Id: Ibe1e0fc5ddb736b411faf48ec9bea3c68972bb99