[autotest] Add test_retry field to afe_autotests table

BUG=chromium-os:37158
TEST=database/migrate.py sync. Verified that new column is created, and
defaults to value 0 for all existing entries.

Change-Id: Iac5af51aa66edc00c5a00df035626e6470ae7d0c
Reviewed-on: https://gerrit.chromium.org/gerrit/44701
Reviewed-by: Aviv Keshet <akeshet@chromium.org>
Tested-by: Aviv Keshet <akeshet@chromium.org>
Commit-Queue: Scott Zawalski <scottz@chromium.org>
Reviewed-by: Scott Zawalski <scottz@chromium.org>
Tested-by: Scott Zawalski <scottz@chromium.org>
2 files changed