[autotest] update stable build to R41-6570.0.0

We expect this build to be stable for all boards including
freon devices.

BUG=chromium:436587
TEST=None

Change-Id: I7b406901c7d1a859697918d6019da38eab3bcd59
Reviewed-on: https://chromium-review.googlesource.com/234170
Reviewed-by: Dan Shi <dshi@chromium.org>
Commit-Queue: Fang Deng <fdeng@chromium.org>
Trybot-Ready: Fang Deng <fdeng@chromium.org>
Tested-by: Fang Deng <fdeng@chromium.org>
1 file changed