If a board has a public overlay it will be used as the primary overlay. However, with this change, if a board only has a private overlay it will be used as the primary.
BUG=7339
TEST=Ran setup_board, build_packages, and build_image on a board with only a private overlay (locally created). Ran setup_board, build_packages, and build_image on a board with both public and private overlays.
Change-Id: Ic56e4951272ddb80511a213e3a2e54419267a49a
Related Issues:
http://codereview.chromium.org/3544009http://codereview.chromium.org/3571015
Review URL: http://codereview.chromium.org/3622003
This conforms to the new layout of scripts in which all scripts
other than make_chroot and enter_chroot are installed in the
chroot using an ebuild.
Review URL: http://codereview.chromium.org/3084012