Add contrib/freon_swap to simplify managing Freon test pools.

The script is a poor cousin to balance_pool.  It operates by
exchanging broken freon DUTs in pool:bvt with working non-freon
DUTs in pool:suites.

BUG=None
TEST=run the command

Change-Id: I81beff93947ec6e3b170c7f046a7db22ebdb576e
Reviewed-on: https://chromium-review.googlesource.com/264386
Tested-by: Richard Barnette <jrbarnette@chromium.org>
Reviewed-by: Mungyung Ryu <mkryu@google.com>
Commit-Queue: Richard Barnette <jrbarnette@chromium.org>
1 file changed