input_device: use slot id in print_slots

Print the slot id instead of the slot index in print_slots().

BUG=chromium:397397
TEST=None.

Change-Id: Ibc34c5f5287458a942e353a4b8a9740b5194698d
Reviewed-on: https://chromium-review.googlesource.com/211070
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Commit-Queue: Shyh-In Hwang <josephsih@chromium.org>
Tested-by: Shyh-In Hwang <josephsih@chromium.org>
1 file changed