Steps to reproduce

1) Download attached project 'Test2.zip' and open in Unity.
2) Check if everything alright with NewUnlitShader source.
3) Check in the Inspector, you will notice this error in the shader (see attached image 'shader.png').
4) Build and run this project on any android device and you will get full log of the failure.(see attached log 'samsung.txt').

Reproduced with: 5.2.4f1, 5.3.6p1, 5.4.0f3.