Revert "Add WearNotifications sample to sdk.atree" am: 8b0e2981 am: 70eaf3de am: dfa6375f am: 17f1bd13 am: 61a49532 am: 4adef0f2 am: 3cc20d41 Change-Id: I1a5408c290f226870a8ee5e746233851ca68a6d5