git: demote chromite checkout warning

This warning is needlessly scary considering how rarely it causes
issues (and the fact that it is present in just about every production
build). People unfamiliar with the logs are frequently distracted by
this message. Demoting it to info.

BUG=None
TEST=unit tests

Change-Id: Icc96c78874f58ced6de0ae0809a4ef5bdc208045
Reviewed-on: https://chromium-review.googlesource.com/345981
Commit-Ready: Aviv Keshet <akeshet@chromium.org>
Tested-by: Aviv Keshet <akeshet@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
1 file changed