Merge "Remove shell commands for setting default SMS app" am: b1b98eaa

     */

     boolean isInEmergencySmsMode();

    /**

     * Get a list of SMS apps on a user.

     */

    String[] getSmsApps(int userId);

    /**

     * Get the default SMS app on a given user.

     */

    String getDefaultSmsApp(int userId);

    /**

     * Set the default SMS app to a given package on a given user.

     */

    void setDefaultSmsApp(int userId, String packageName);

    /**

     * Return the modem radio power state for slot index.

     *