veyron/runtimes/google/ipc/benchmark: change to use roaming profile

* Change to use static profile for benchmarks with other protocols like
  "ws" with --veyron.tcp.protocol=ws.
* Remove unnecessary testing principal setting since it's done in
  IitForTest().

Change-Id: Ifa6dc3a712ca35933a37fcabfbed72d0e31a835d
1 file changed
tree: 7af80cef39233fce4cb09444ae5ffe0a89dae7f3
  1. lib/
  2. profiles/
  3. runtimes/
  4. security/
  5. services/
  6. tools/