Merge "Document WifiScanner callback behaviors" into oc-dr1-dev am: 4a829791

     */

    @SystemApi

    public interface ActionListener {

        /** The operation succeeded */

        /**

         * The operation succeeded.

         * This is called when the scan request has been validated and ready

         * to sent to driver.

         */

        public void onSuccess();

        /**

         * The operation failed

         * @param reason The reason for failure could be one of

         * {@link #ERROR}, {@link #IN_PROGRESS} or {@link #BUSY}

         * The operation failed.

         * This is called when the scan request failed.

         * @param reason The reason for failure could be one of the following:

         * {@link #REASON_INVALID_REQUEST}} is specified when scan request parameters are invalid.

         * {@link #REASON_NOT_AUTHORIZED} is specified when requesting app doesn't have the required

         * permission to request a scan.

         * {@link #REASON_UNSPECIFIED} is specified when driver reports a scan failure.

         */

        public void onFailure(int reason);

    }