xev: upgraded package to upstream

Upgraded x11-apps/xev to version 1.2.0 on amd64, arm, x86

BUG=chromium:293097
TEST=emerge-{daisy,link,x86-generic} xev
  => Install on device
  DISPLAY=:0 xev &
  => Confirm it prints RRScreenChangeNotify/RRNotify events on monitor
     plug/unplug

Change-Id: I561462940efcac0ffcc867ec72012ebe45b66de0
Reviewed-on: https://chromium-review.googlesource.com/169667
Reviewed-by: St├ęphane Marchesin <marcheu@chromium.org>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Commit-Queue: Daniel Kurtz <djkurtz@chromium.org>
Tested-by: Daniel Kurtz <djkurtz@chromium.org>
5 files changed