cr-os: normalize out/ directories

The descriptions we're emitting here include the name of the out/
directory that they reside in. Exposing this implementation detail is
pretty awkward in general, so let's not do that. :)

BUG=chromium:908661
TEST=unittests; ran locally

Change-Id: Ib5a1cc66936fb6ab8677f64cd3e07a5e40141154
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/toolchain-utils/+/2165511
Reviewed-by: Tiancong Wang <tcwang@google.com>
Tested-by: George Burgess <gbiv@chromium.org>
2 files changed