veyron/runtimes/google/ipc: Cleanup IPC benchmarks.

  Go 1.4 TestMain allows to run a custom main even with go test command.
  This cl adds a new benchmark utils to inject additional stats (histogram)
  outputs to the benchmark results.

  I also renamed ipc/benchmarks to ipc/benchmark for consistency
  as all other benchmark directories.

  A new benchmark results show that IPC performance (specially with small
  payloads) gets slowed down by 2X than 2-weeks ago.

Change-Id: Iccc136a6363ddb33e27fc72d0940fa8f8c00f178
26 files changed
tree: c0de17126c8c96d5a0d8f88935632853ec265a44
  1. lib/
  2. profiles/
  3. runtimes/
  4. security/
  5. services/
  6. tools/