Move //mojo/services/network/public/interfaces to //mojo/services/network/interfaces.

Move //mojo/services/network/public/interfaces to //mojo/services/network/interfaces.

And also //mojo/services/network/public/cpp/*.{cc,h} to
//mojo/services/network (the code isn't used anywhere else -- not even
in a bastardized copy -- and has bad dependencies, e.g., on //base).

Note that the mojom files aren't actually in a state to be consumed
externally (easily), since they hard-code a "third_party" directory in
various imports.

R=jamesr@chromium.org

Committed: https://github.com/domokit/monet8f93f7fed6721b934196e56f7c06e7fb3a12d91b

[viettrungluu, 2015-10-12 23:45:35]

I'll try to make the interfaces actually "exportable" (without modifying import
statements) separately.

[jamesr, 2015-10-12 23:46:20]

lgtm

[viettrungluu, 2015-10-12 23:52:18]

Committed patchset #1 (id:1) manually as
8f93f7fed6721b934196e56f7c06e7fb3a12d91b (presubmit successful).