Update enter_chroot to handle logs cert file.

Once this change is in, I can do an led run in the infra/recipes
directory that sets appropriate env vars to use this file.  If
the led run works, then I can proceed with config-changes to
enable logging for staging runs.

TEST=manual test

Change-Id: Ib16250f930856ade192b2288751ef314b5c7e079
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosutils/+/2633955
Tested-by: Michael Mortensen <mmortensen@google.com>
Reviewed-by: Mike Nichols <mikenichols@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
1 file changed