Upload command stats in image_to_live.sh

We want to keep track of the usage of the script.

BUG=chromium:350187
TEST=Ran image_to_live.sh and view the stats

Change-Id: I6d25a330ca40355147133ddd5a196ffab65ecbde
Reviewed-on: https://chromium-review.googlesource.com/189490
Reviewed-by: Chris Sosa <sosa@chromium.org>
Commit-Queue: Yu-Ju Hong <yjhong@chromium.org>
Tested-by: Yu-Ju Hong <yjhong@chromium.org>
1 file changed