Merge "Fixed corner case when handover fails" into qt-dev

        int originTransport = (targetTransport == AccessNetworkConstants.TRANSPORT_TYPE_WWAN)

                ? AccessNetworkConstants.TRANSPORT_TYPE_WLAN

                : AccessNetworkConstants.TRANSPORT_TYPE_WWAN;

        releaseNetworkInternal(networkRequest, DcTracker.RELEASE_TYPE_HANDOVER,

                originTransport);

        int releaseType = success

                ? DcTracker.RELEASE_TYPE_HANDOVER

                // If handover fails, we need to tear down the existing connection, so the

                // new data connection can be re-established on the new transport. If we leave

                // the existing data connection in current transport, then DCT and qualified

                // network service will be out of sync.

                : DcTracker.RELEASE_TYPE_NORMAL;

        releaseNetworkInternal(networkRequest, releaseType, originTransport);

        mNetworkRequests.put(networkRequest, targetTransport);

        handoverParams.callback.onCompleted(success);