When disconnected from Aphlict after a successful connection, retry the first reconnect right away
Fixes T12567. We currently retry after 2s, 4s, 8s, 16s, ...
If we connected cleanly once, retry the first time right away. There are a bunch of reasonable cases where this will work fine and we don't need to wait. Then we fall back: 0s, 2s, 4s, 8s, ...
Reviewed By: chad
Maniphest Tasks: T12567
Differential Revision: https://secure.phabricator.com/D17706