veyron/runtimes/google/ipc/benchmark: fix a broken benchmark

Fix a broken benchmark by a recent change in initializing
principal via the environment variables.

Change-Id: I72d7768a1fa0ce28a9653df1d0a7d916e7afc5d6
1 file changed
tree: e2a72f769215d22e0feeb8afe8d2505af45ac649
  1. lib/
  2. profiles/
  3. runtimes/
  4. security/
  5. services/
  6. tools/