Merge "Add new carrier configs for RTT"

     */

    public static final String KEY_RTT_SUPPORTED_BOOL = "rtt_supported_bool";

    /**

     * Indicates if the carrier supports auto-upgrading a call to RTT when receiving a call from a

     * RTT-supported device.

     * @hide

     */

    public static final String KEY_RTT_AUTO_UPGRADE_BOOL = "rtt_auto_upgrade_bool";

    /**

     * Indicates if the carrier supports RTT during a video call.

     * @hide

     */

    public static final String KEY_RTT_SUPPORTED_FOR_VT_BOOL = "rtt_supported_for_vt_bool";

    /**

     * Indicates if the carrier supports upgrading a voice call to an RTT call during the call.

     * @hide

     */

    public static final String KEY_RTT_UPGRADE_SUPPORTED_BOOL = "rtt_upgrade_supported_bool";

    /**

     * Indicates if the carrier supports downgrading a RTT call to a voice call during the call.

     * @hide

     */

    public static final String KEY_RTT_DOWNGRADE_SUPPORTED_BOOL = "rtt_downgrade_supported_bool";

    /**

     * The flag to disable the popup dialog which warns the user of data charges.

     * @hide