framework/task_manager: Modify allocation for stop/exit callback data
framework/task_manager: Modify allocation for stop/exit callback data

task manager checks whether callback data is null or not. because of this, callback data should be initialized when allocated.

davidfather/TizenRT,pillip8282/TizenRT,JeonginKim/TizenRT,chanijjani/TizenRT,jsdosa/TizenRT,pillip8282/TizenRT,jsdosa/TizenRT,davidfather/TizenRT,chanijjani/TizenRT,junmin-kim/TizenRT,davidfather/TizenRT,junmin-kim/TizenRT,sunghan-chang/TizenRT,jeongarmy/TizenRT,HONGCHAEHEE/TizenRT,JeonginKim/TizenRT,an4967/TizenRT,jeongarmy/TizenRT,jeongarmy/TizenRT,jeongarmy/TizenRT,chanijjani/TizenRT,JeonginKim/TizenRT,JeonginKim/TizenRT,chanijjani/TizenRT,JeonginKim/TizenRT,Samsung/TizenRT,JeonginKim/TizenRT,an4967/TizenRT,jsdosa/TizenRT,junmin-kim/TizenRT,jsdosa/TizenRT,jeongchanKim/TizenRT,chanijjani/TizenRT,jeongchanKim/TizenRT,sunghan-chang/TizenRT,davidfather/TizenRT,chanijjani/TizenRT,sunghan-chang/TizenRT,junmin-kim/TizenRT,jeongchanKim/TizenRT,an4967/TizenRT,pillip8282/TizenRT,Samsung/TizenRT,jeongchanKim/TizenRT,Samsung/TizenRT,davidfather/TizenRT,Samsung/TizenRT,Samsung/TizenRT,pillip8282/TizenRT,chanijjani/TizenRT,HONGCHAEHEE/TizenRT,junmin-kim/TizenRT,pillip8282/TizenRT,HONGCHAEHEE/TizenRT,jsdosa/TizenRT,jsdosa/TizenRT,jeongchanKim/TizenRT,sunghan-chang/TizenRT,HONGCHAEHEE/TizenRT,an4967/TizenRT,pillip8282/TizenRT,Samsung/TizenRT,an4967/TizenRT,davidfather/TizenRT,an4967/TizenRT,HONGCHAEHEE/TizenRT,davidfather/TizenRT,jeongchanKim/TizenRT,jeongarmy/TizenRT,jeongarmy/TizenRT,jeongarmy/TizenRT,junmin-kim/TizenRT,sunghan-chang/TizenRT,sunghan-chang/TizenRT,Samsung/TizenRT,an4967/TizenRT,jeongchanKim/TizenRT,pillip8282/TizenRT,jsdosa/TizenRT,HONGCHAEHEE/TizenRT,junmin-kim/TizenRT,sunghan-chang/TizenRT