Set the TrafficStats tag to avoid StrictMode violations

On eng and userdebug builds, we were seeing some StrictMode violations
due to untagged sockets. Make sure that the ServerInterface code
always sets the tag before making any HTTP connections.

Test: manual -- modified source to log StrictMode violations
Fix: 233379894
Change-Id: I214476c1c7d4a15bd8d8d1dc6d7626b947911555
1 file changed