macOS V2 Sandbox: Plumb errno string through logging.

Bug: 878856
Change-Id: Id6f84e3f58557ddd91850b52729f5d0eeea8eff3
Reviewed-on: https://chromium-review.googlesource.com/c/1297073
Reviewed-by: Robert Sesek <rsesek@chromium.org>
Commit-Queue: Greg Kerr <kerrnel@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#602345}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 2995d5e371074a1763507b4f41a9d4636d372e87
1 file changed