Upgraded the xinput Portage package

Upgraded x11-apps/xinput to version 1.6.0 on amd64, arm, x86

We need xinput 1.6.0 to correctly show touch events on Link
when running "xinput test-xi2".

BUG=chromium-os:34086
TEST=build_package --board={amd64, arm, x86}-generic successfully.

Change-Id: I5b59dd4609442eb136b3631d5172898744392fa9
Reviewed-on: https://gerrit.chromium.org/gerrit/31116
Reviewed-by: St├ęphane Marchesin <marcheu@chromium.org>
Commit-Ready: Yufeng Shen <miletus@chromium.org>
Tested-by: Yufeng Shen <miletus@chromium.org>
5 files changed