Steps to reproduce:

1) Download attached project 'CameraDepthTexture.zip' and open in Unity
2) Open scene 'simplescene'
3) In Build Settings, switch platform to Android
Note that primitives will not be reflected on the plane

Expected result: Primitives should be reflected on the plane (check attached image 'expected.png')
Actual result: Primitives are not reflected on the plane (check attached image 'actual.png')

Reproduced with: 5.5.4p3, 5.6.3p1, 2017.1.0p4, 2017.2.0b8, 2017.3.0a5

Note: Shader works using PC, Mac and Linux standalone module, also WebGL module