1. Error banner now pushes down the entire screen, rather than covers it.
2. Switch to the new ObjectAnimator for the animation to achieve #1.
(Traditional Animation doesn't do this)
3. Dismiss the banner when getting any callback with MessagingException == null
and progress > 0, only when the account is the one that caused the last error.
4. MessageListXL now registers its own ControllerResult to detect
connection errors, and more importantly, when they're cleared.
Bug 3240874
Bug 3240406
Change-Id: I07f8e2f589bb1d312859824f9ec398879003ba16
45e04b009d