veyron/lib/testutil/integration: improve Start logging

This CL will cause the caller of Start to be logged. This makes it easy
to tell which line of code in your test started a particular binary. If
the binary fails, this output is helpful for debugging purposes.

Change-Id: Ief0790c74d940a3c63ce7a20d68957cae3ca94f4
1 file changed
tree: bf93fc993ced5bea2a647b188fc3af50aebf0940
  1. lib/
  2. profiles/
  3. runtimes/
  4. security/
  5. services/
  6. tools/