Revert "Download: add to support pause/resume download by manual"

This reverts commit b76a3bd53a8b136b63624df87046bcf368bf01c4.

Change-Id: I7f2ba6493a45655b6ff24b32352b781f54af6359
Merge "Revert "Download: add to support pause/resume download by manual"" into kk4.4