Revert "Add WearNotifications sample to sdk.atree" am: 8b0e298179 am: 70eaf3de15 am: dfa6375f85 am: 17f1bd13e0 am: 61a495323c
am: 4ce780da53

Change-Id: I3ed07b1b4d6acc95f801ca4e46edc748b1b9ba7d