vrcore/sepolicy/mac_permissions.xml

<?xml version="1.0" encoding="utf-8"?>
<policy>
    <signer signature="@VRCORE" >
      <package name="com.google.vr.vrcore" >
        <seinfo value="vrcore" />
      </package>
    </signer>
    <signer signature="@VRCORE_DEV" >
      <package name="com.google.vr.vrcore" >
        <seinfo value="vrcore" />
      </package>
    </signer>
</policy>