[autotest] update IP address of devserver 6 and 7 in global config.

IP address of these two servers was changed in dpch config.

BUG=None
TEST=None

Change-Id: I5ac20a999be2a3c223e3de6ab5c2f47edc21a604
Reviewed-on: https://chromium-review.googlesource.com/197904
Tested-by: Dan Shi <dshi@chromium.org>
Reviewed-by: Alex Miller <milleral@chromium.org>
Commit-Queue: Dan Shi <dshi@chromium.org>
1 file changed