CHROMIUM: Input: cyapa - set POINTER and BUTTONPAD props

CHROMIUM: Input: cyapa - set POINTER and BUTTONPAD props

Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
BUG=chromium-os:27072
TEST=Use DISPLAY=:0 xinput list to find the ID for touchpad device
 1) Dump touchpad_activity_log:
  DISPLAY=:0 xinput set-prop 9 "Logging Notify" 1
 2) grep isButtonPad /var/log/touchpad_activity_log.txt
  => should show: "isButtonPad": true,

Change-Id: I5327718761b968bf35fe81b7b83d6243c639bf94
Reviewed-on: https://gerrit.chromium.org/gerrit/20819
Reviewed-by: Andrew de los Reyes <adlr@chromium.org>
Reviewed-by: Benson Leung <bleung@chromium.org>
Commit-Ready: Daniel Kurtz <djkurtz@chromium.org>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Tested-by: Daniel Kurtz <djkurtz@chromium.org>