remove from nightly till fix is found

Change-Id: I8fb4edeb95ee07440f27e739ac241bb7c8684ea8
Add Gnex Device repos

Change-Id: I962225fca02795f4440a89a0aeb4ca1624b54545
Add p4 models
Adjust default preferences for PA

Change-Id: I78472f7fac0b05bf9088b69b4f4dea3048569b7c
Update PA preferences based on tf300t

Change-Id: I8aa6b68565cbec0798619bd5a02f248eb81f02a7