[TransferStateActivity]Add transfer state skeleton

Signed-off-by: Ethan Shan <shan0xiao0xi@gmail.com>
[TransferStateActivity]Custom section/title string

Signed-off-by: Ethan Shan <shan0xiao0xi@gmail.com>
[TransferStateActivity]Initial FragmentDownloadList and FragmentUploadList

Signed-off-by: Ethan Shan <shan0xiao0xi@gmail.com>