libchromeos: Move map_utils from Buffet to libchromeos

BUG=chromium:405714
TEST=USE=buffet ./build_packages

Change-Id: Ic7b1762bdea4c126c6442bf013d7bbc84514c7ec
Reviewed-on: https://chromium-review.googlesource.com/213365
Tested-by: Alex Vakulenko <avakulenko@chromium.org>
Reviewed-by: Bertrand Simonnet <bsimonnet@chromium.org>
Commit-Queue: Alex Vakulenko <avakulenko@chromium.org>
2 files changed
tree: 49a7637d63bc31a4c79bb73c652730396f85cde4
  1. buffet/