auto-bisect: Fix commit range from end:start to start:end
auto-bisect: Fix commit range from end:start to start:end

Dashboard reverse the start and end commit in the pinpoint bisection
request.

Bug: chromium:1087355
Change-Id: I5065c7b6e69e1304bab3ceba4825eef0b5a8dbee
Reviewed-on: https://chromium-review.googlesource.com/c/catapult/+/2218003
Auto-Submit: Chenlin Fan <ade7e59805b81f027d537665b2c12c1956198b97@chromium.org>
Reviewed-by: Dean Berris <34a37f59e4ade3cf49221306f04217acf3e86255@chromium.org>
Commit-Queue: Dean Berris <34a37f59e4ade3cf49221306f04217acf3e86255@chromium.org>

catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult