Fix app data backup issues

thanks slim for pointing this out

commit e45d0c497e481f853222e6cdec10a985b01d4744
Author: PrimeDirective <activethrasher00@gmail.com>
Date:   Thu Dec 19 10:56:53 2013 -0500

    Revert "Handle backup transport registration dynamically"

    This reverts commit c46c4a6765196bcabf3ea89771a1f9067b22baad.

commit 171dd290b770d39b49b24a036feabc943b581a5f
Author: PrimeDirective <activethrasher00@gmail.com>
Date:   Thu Dec 19 10:55:41 2013 -0500

    Revert "Harden against transiently unavailable backup transports"

    This reverts commit 28b6d3829166935f50684c0152a154cd4f1bbb90.

Change-Id: I4596d9513b710cd104e6fe2762bbc8e750f490ee