Reproduction steps:
1. Open the attached Unity project "Issue.zip"
2. Go to Assets > Scenes and open the "SampleScene.unity" Scene
3. Go to Build Settings and select Android Platform
4. Build and install the application on a device
5. Open the application on a device and observe the background color

Expected result: The background color is Default Skybox
Actual result: The background color is green

Reproducible with: 2019.4.34f1, 2020.3.26f1, 2021.2.0b6
Not reproducible with: 2021.2.0b7, 2021.2.8f1, 2022.1.0b2

Reproduces with these devices:
VLNQA00121 - Samsung Galaxy S9 (SM-G960F), OS: 9.0.0, CPU: Exynos 9 Series 9810, GPU: Mali-G72
VLNQA00006 - Samsung Galaxy S7 (SM-G930F), OS: 8.0.0, CPU: Exynos 8 Octa (8890), GPU: Mali-T880
VLNQA00410 - Galaxy Z Fold3 5G (SM-F926U), OS: 11, CPU: Snapdragon 888, GPU: Adreno 660
VLNQA00404 - Galaxy Z Flip3 5G (SM-F711B), OS: 11, CPU: Snapdragon 888, GPU: Adreno 660
VLNQA00121 - Samsung Galaxy S9 (SM-G960F), OS: 9.0.0, CPU: Exynos 9 Series 9810, GPU: Mali-G72
VLNQA00109 - Xiaomi Mi Note Pro (MI NOTE Pro), OS: 7.0.0, CPU: Snapdragon 810 MSM8994, GPU: Adreno 430
VLNQA00277 - Asus ROG Phone (ASUS_Z01QD), OS: 9.0.0, CPU: Snapdragon 845 SDM845, GPU: Adreno 630
VLNQA00147 - Razer Phone (Cheryl), OS: 8.1.0, CPU: Snapdragon 835 MSM8998, GPU: Adreno 540
VLNQA00358 - iPhone 12, 14.1 iOS
VLNQA00310 - iPad Pro 12.9", 13.4.1 iOS
VLNQA00392 - iPad (9th generation), 15.0 iOS

Notes:
- The issue is not reproducible on Standalone
- The issue is reproducible with Vulkan, OpenGLES3 Graphics APIs
- The issue is reproducible with both Mono and IL2CPP Scripting Backends