deploy_chrome: Upload command stats.

BUG=None
TEST=unit tests.  Manual.

Change-Id: I1c9b946fc3a0c048ed262edff7a2c6b259af62c8
Reviewed-on: https://gerrit.chromium.org/gerrit/48717
Reviewed-by: David James <davidjames@chromium.org>
Commit-Queue: Ryan Cui <rcui@chromium.org>
Tested-by: Ryan Cui <rcui@chromium.org>
1 file changed