Graphics issue with the Unity 2017.1 native Google cardboard sdk

Hi, I'm having some strange graphics problems when building an apk with the "Virtual Reality Supported" Google Cardboard sdk selected. The issue seems to be that meshes that are close to each other have a strange "overlapping" texture problem. Basically, the textures flicker with black lines, and I notice some strange clipping on certain meshes. This problem only exists if I have selected the "Cardboard sdk". If I build the app without "Virtual Reality Supported" checked, then everything is fine. Anyone have any insight on this? Please help! Thanks in advance.