luna-service2: add systemd startup scripts

Signed-off-by: Simon Busch <morphis@gravedo.de>
webos-ports-image: drop packagegroup-webos-upstart

Signed-off-by: Simon Busch <morphis@gravedo.de>
packagegroup-webos-ports-extended: include android-system

The android-system recipe provides the needed initialization bits for the Android
compatiblity layer and replaces the old android-initscripts.

Signed-off-by: Simon Busch <morphis@gravedo.de>
packagegroup-webos-ports-extended: add android-tools for adb support

Signed-off-by: Simon Busch <morphis@gravedo.de>