Steps to reproduce:
1. Open user attached project
2. Play the scene
3. Click the game view and notice that the camera shader is rendered above the sprite
4. Build and Run
5. Touch the screen and notice that the camera shader is rendered below the sprite

Reproduced in: 2018.2.0a4, 2018.1.0b10, 2017.3.1p4, 2017.2.2p1, 2017.1.3p2

Reproduced with:
Android:
Google Pixel 2, Android 8.1, GPU: Adreno 540, SoC Model: Snapdragon 835 (MSM8998)
Samsung Galaxy Note 8, Android 7.1, GPU: Adreno 540, SoC Model: Model: Snapdragon 835 (MSM8998)
Samsung Galaxy S III: Android 4.1, GPU: Adreno 225, SoC Model: Qualcomm MSM8960
ASUS Memo Pad 8, Android 4.4, GPU: Intel HD, Soc Model: Intel Atom (Z3745)

iOS:
iPhone7 iOS 11.0.2, GPU: PowerVR Series7XT Plus
iPhone 6S iOS 11.0, GPU: PowerVR GT7600

Not reproduced with:
Samsung Galaxy S6, Android 7.0, GPU: Mali-T760, SoC Model: Samsung Exynos 7 Octa (7420)
Samsung Galaxy S7 (Global), Android: 7.0, GPU: Mali-T880, SoC Model: Samsung Exynos 8 Octa (8890)

Shader not displayed at all: Xiaomi Mi 4i, GPU: Adreno 405