alsa: Upgrade alsa packages to latest version

This patch updates alsa packages (alsa-lib, alsa-utils and
alsa-plugins) to their latest release versions.

This commit also moves the alsa packages back to portage-stable.

BUG=chrome-os-partner:43618
TEST=./build_packages --board=reef installs latest versions of
     alsa-lib (1.1.3) ,alsa-utils (1.1.3) and alsa-plugins (1.1.1).
CQ-DEPEND=CL:431877

Change-Id: I3adccb529a7ea105a2d9237edd78df33259c7953
Signed-off-by: Vedang Patel <vedang.patel@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/407636
Tested-by: Wayne Boyer <wayne.boyer@intel.com>
Reviewed-by: Dylan Reid <dgreid@chromium.org>
Reviewed-by: Hsinyu Chao <hychao@chromium.org>
6 files changed