Add WaitForProvisioningCallback

        public void onQuit() {}

    }

    public static class WaitForProvisioningCallback extends Callback {

        private LinkProperties mCallbackLinkProperties;

        public LinkProperties waitForProvisioning() {

            synchronized (this) {

                try {

                    wait();

                } catch (InterruptedException e) {}

                return mCallbackLinkProperties;

            }

        }

        @Override

        public void onProvisioningSuccess(LinkProperties newLp) {

            synchronized (this) {

                mCallbackLinkProperties = newLp;

                notify();

            }

        }

        @Override

        public void onProvisioningFailure(LinkProperties newLp) {

            synchronized (this) {

                mCallbackLinkProperties = null;

                notify();

            }

        }

    }

    /**

     * This class encapsulates parameters to be passed to

     * IpManager#startProvisioning(). A defensive copy is made by IpManager