Steps to reproduce:
1. Open the user's attached project "URPAndroidGLESBug.zip"
2. Build it to Android
3. Launch the app

Expected results: A default URP scene is rendered
Actual results: A gray screen is rendered(Locking and unlocking the devices renders URP scene)

Reproducible with: 2020.1.0a15, 2020.2.6f1, 2021.1.0b5, 2021.2.0a3
Unable to reproduce with: 2019.4.21f1, 2020.1.0a14
Unable to test with: 2018.4 due to project breaking

Reproducible devices:
VLNQA00264, Samsung Galaxy S10+ (SM-G975F), Android 10, CPU: NOT FOUND, GPU: Mali-G76
VLNQA00121, Samsung Galaxy S9, Android: 9, CPU: Exynos 9 Series 9810, GPU: Mali-G72
VLNQA00313, Huawei Y6 Ⅱ Compact (HUAWEI LYO-L01), Android 5.1, CPU: MediaTek MT6735, GPU: Mali-T720
VLNQA00331, Huawei P20 lite (ANE-LX1), Android 9, CPU: HiSilicon Kirin 659, GPU: Mali-T830

Not reproducible devices:
VLNQA00279, Samsung Galaxy S10+ (SM-G975U), Android 9, CPU: Snapdragon 855 SM8150, GPU: Adreno (TM) 640
VLNQA00189 iPhone SE 11.4.1 Dual-core 1.84 GHz Twister PowerVR GT7600 (six-core graphics)
Huawei Mate 40 Pro, Android 10, CPU: HiSilicon Kirin 9000, GPU: Mali-G78
Huawei P40 Pro, Android 10, CPU: HiSilicon Kirin 990 5G, GPU: Mali-G76
VLNQA00277, Asus ROG Phone, Android: 8.1.0, CPU: Snapdragon 845 SDM845, GPU: Adreno (TM) 630
VLNQA00006, Samsung Galaxy S7, Android: 8.0.0, CPU: Exynos 8 Octa 8890, GPU: Mali-T880
VLNQA00335, Samsung Galaxy S20 5G (SM-G986B), Android 10, CPU: Exynos 990, GPU: Mali-G77
VLNQA00286, Meizu - (PRO 5), Android 7.0, CPU: Exynos 7 Octa 7420, GPU: Mali-T760
VLNQA00013, Samsung Galaxy S6 Edge Plus (SM-G928F), Android 7.0, CPU: Exynos 7 Octa 7420, GPU: Mali-T760
VLNQA00122, Samsung Galaxy S9 (SM-G960F), Android 10, CPU: NOT FOUND, GPU: Mali-G72
VLNQA00321, Xiaomi MI 9 (MI 9), Android 10, CPU: Snapdragon 855 SM8150, GPU: Adreno (TM) 640

Note:
- Does not reproduce with IOS
- Does not reproduce with Vulkan
- In some versions, the URP scene is rendered after a couple of minutes of running on a device