Add the new packagegroup name packagegroup-agl-smartdevicelink.
This install to agl-demo-platform image with "agl-sdl" in DISTRO_FEATURES
Tested build ok with:
source meta-agl/scripts/aglsetup.sh -m raspberrypi3 agl-demo agl-netboot agl-appfw-smack agl-sdl
Change-Id: I1b348affa88f0f3c1a313b2856bd38482fd8e778
Depends-On: I416d8418c0ef4fe4de5e5ce084e7b9075e64f85f
Signed-off-by: Phong Tran <tranmanphong@gmail.com>