Support is_haptic_pad hardware property

Fill the is_haptic_pad hardware property based on the appropriate
kernel input property.

BUG=b:241629080
TEST=Check that the property is set when using MTReplay

Change-Id: Ib04bace90b424d739ad83741ca484f682d618010
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/mttools/+/3879265
Reviewed-by: Kenneth Albanowski <[email protected]>
Tested-by: Sean O'Brien <[email protected]>
Commit-Queue: Sean O'Brien <[email protected]>
1 file changed