Merge "Without SD card the shutdown sequence was delayed"

            // Post a unmount message.

            ShutdownCallBack ucb = new ShutdownCallBack(path, observer);

            mHandler.sendMessage(mHandler.obtainMessage(H_UNMOUNT_PM_UPDATE, ucb));

        } else if (observer != null) {

            /*

             * Observer is waiting for onShutDownComplete when we are done.

             * Since nothing will be done send notification directly so shutdown

             * sequence can continue.

             */

            try {

                observer.onShutDownComplete(StorageResultCode.OperationSucceeded);

            } catch (RemoteException e) {

                Slog.w(TAG, "RemoteException when shutting down");

            }

        }

    }