Fix jank while Mms were downloading manually

The download button will be janked while several Mms
were downloading manually in a batch since message
list view will bind view before download state of Mms
were set in retrieve transaction.

Change-Id: Ibf9fbeee17150e2d7c3eba00ba34b56406ef96b5
Signed-off-by: Roger Chen <cxr514033970@gmail.com>