How to reproduce:
1. Open the attached project
2. Set platform to Android
3. Make sure Graphics API is set to GLES3
4. Build&Run project on the device

Expected result: The scene is rendered same as in the Editor
Actual result: The scene is rendered darker

Reproducible: 2020.2.0b5.3233

Reproduced on these devices:
VLNQA00103, Samsung Galaxy Note8 (SM-N950F), Android 7.1.1, CPU: Exynos 9 Octa 8895, GPU: Mali-G71
VLNQA00090, Samsung Galaxy S8 (SM-G950U), Android 7.0, CPU: Snapdragon 835 MSM8998, GPU: Adreno (TM) 540
VLNQA00324, Sony Xperia T2 Ultra (D5303), Android 5.1.1, CPU: Snapdragon 400 MSM8226, GPU: Adreno (TM) 305
VLNQA00111, Samsung Galaxy J5(2016) (SM-J510FN), Android 7.1.1, CPU: Snapdragon 410 MSM8916, GPU: Adreno (TM) 306
VLNQA00031, Lge Nexus 5 (Nexus 5), Android 6.0.1, CPU: Snapdragon 800 MSM8974, GPU: Adreno (TM) 330

Not reproducible:
VLNQA00269, Samsung Galaxy S10e (SM-G970F), Android 9, CPU: Exynos 9 9820, GPU: Mali-G76
VLNQA00287, Motorola moto g(7) power (moto g(7) power), Android 9, CPU: Snapdragon 625 MSM8953, GPU: Adreno (TM) 506
N/A, Huawei - (ART-L29), Android 9, CPU: NOT FOUND, GPU: Mali-G51

Notes:
- Not reproducible with Vulkan