canLoadModelWithoutLights fails on 4.0

[dnvasilev]

java.lang.AssertionError: expected false
at org.gearvrf.tester.AssetImportTests$MeshVisitorNoLights.visit(AssetImportTests.java:274)

                mWaiter.assertFalse(vbuf.hasAttribute("a_normal"));

[mwitchwilliams]

Can look into this very soon, like in 2018.