To reproduce:
1. Create a new project;
2. Create a default VFX Graph;
3. Drag it to the scene
4. Build and run the scene on Android devices.

Results: The VFX Graph effect is not rendered or rendered with pink textures on devices with Mali GPU, the error is thrown:
GLSL link error: The number of vertex shader storage blocks (1) is greater than the maximum number allowed (0).

Reproduced with Visual Effects package versions: 6.7.1, 7.0.0

Devices under testing:
Reproduced on:
VLNQA00149, SAMSUNG SM-G960F, Exynos 9 Series 9810, Mali-G72, 9.0.0
VLNQA00006, SAMSUNG SM-G930F, Exynos 8 Octa (8890), Mali-T880, 8.0.0
VLNQA00267, SAMSUNG SM-G975F, Exynos 9 Series 9820, Mali-G76, 9.0.0

Not reproduced on:
VLNQA00150, SAMSUNG SM-G960U, Snapdragon 845 SDM845, Adreno (TM) 630, 8.0.0
VLNQA00263, GOOGLE Pixel 3, Snapdragon 845, Adreno (TM) 630, 9.0.0
VLNQA00027, XIAOMI, MI MAX, Snapdragon 650 MSM8956, Adreno (TM) 510, 7.0.0

fixed in 2020.1.0a12