plugin-api: deviced: Add attribute for display config

plugin-api: deviced: Add attribute for display config

New attribute:
 - id: DEVICED_DISPLAY_ATTR_INT_GET_CONFIG_POWERKEY_DOUBLEPRESS
 - type: SYSCOMMON_RESMAN_DATA_TYPE_INT
 - setter: X
 - getter: O

New attribute:
 - id: DEVICED_DISPLAY_ATTR_INT_GET_CONFIG_LONGPRESS_INTERVAL
 - type: SYSCOMMON_RESMAN_DATA_TYPE_DOUBLE
 - setter: X
 - getter: O

New attribute:
 - id: DEVICED_DISPLAY_ATTR_INT_GET_CONFIG_TOUCH_WAKEUP
 - type: SYSCOMMON_RESMAN_DATA_TYPE_INT
 - setter: X
 - getter: O

Change-Id: I841459f76e6a4a75379c53d9875006823917c570
Signed-off-by: Youngjae Cho <y0.cho@samsung.com>