touch_updater: Fix presubmit errors

... for chromeos-touch-update.sh.

BUG=b:259595539
TEST=CQ

Change-Id: I2b72624d39eed6aabdc5b52eabaeca8574d764e5
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/touch_updater/+/4246923
Commit-Queue: Henry Barnor <hbarnor@chromium.org>
Reviewed-by: William Mahon <wmahon@google.com>
Tested-by: Henry Barnor <hbarnor@chromium.org>
Reviewed-by: Kenneth Albanowski <kenalba@google.com>
1 file changed