[tor-project] Default obfs4 bridges frosty and dragon reporting 0 bandwidth since ~July 4

[David Fifield]

On Thu, Jun 22, 2017 at 11:31:21AM -0700, David Fifield wrote:
> These bridges, added to Tor Browser in ticket #22468, are reporting 0
> bandwidth since a few days ago. Is there something wrong with them?

frosty and dragon were up and down and up again but now are down, since
4 July.

https://atlas.torproject.org/#details/854173307E33686BBBAC36A3A093BEF320B719D4
https://atlas.torproject.org/#details/D9E712E593400635462172121B7DB90B07669F71