Halo and Heads-up icon

--Credits to @DirtyUnicorns-KitKat for the drawables.

Change-Id: I079186af595b5dd105540154de3b57c35535fafb
Launch HALO App from the Halo Settings

Change-Id: Ie343a8c61df1af5cd56454a0116219dfbeada1f3
Signed-off-by: Lokesh Chamane <lokesh.c703@gmail.com>
what the hell is this

Change-Id: I71717d337c436181ec0440bfb30ffd5a8e84c9f9