Merge "Sysconfig define a whitelist of permitted backup transports" into nyc-dev am: 11d9586117
am: d4056a279d

* commit 'd4056a279d34900b396229c79d591d1ed8bf1ea1':
  Sysconfig define a whitelist of permitted backup transports

Change-Id: Iaf3ffcfa8ece43eca0118bb3c03fc380417af001