Reproduction steps:
1. Create a new project
2. Change Target Platform to Android
3. Export project (Build Settings > check the "Export Project" checkbox > Export)
4. Open the exported project in Android Studio
5. Open unityLibrary/java/com.unity3d.player/UnityPlayerActivity.java
6. Change line 41 from "mUnityPlayer = new UnityPlayer(this, this);" to "UnityPlayer(getApplicationContext(), this);"
7. Click Run

Expected result: The app doesn't crash
Actual result: The app crashes and an error is printed in Logcat:
2022-04-14 10:36:35.775 2704-2755/com.DefaultCompany.UaalProj E/AndroidRuntime: FATAL EXCEPTION: UnityMain
Process: com.DefaultCompany.UaalProj, PID: 2704
java.lang.ClassCastException: android.app.Application cannot be cast to android.app.Activity
at com.unity3d.player.UnityPlayer.isUaaLUseCase(Unknown Source:2)
at com.unity3d.player.UnityPlayer.nativeRender(Native Method)
at com.unity3d.player.UnityPlayer.access$300(Unknown Source:0)
at com.unity3d.player.UnityPlayer$e$1.handleMessage(Unknown Source:95)
at android.os.Handler.dispatchMessage(Handler.java:103)
at android.os.Looper.loop(Looper.java:224)
at com.unity3d.player.UnityPlayer$e.run(Unknown Source:20)

Reproducible with: 2019.4.35f1, 2019.4.38f1, 2020.3.33f1, 2021.2.19f1
Not reproducible with: 2019.4.34f1
Couldn't test with: 2022.1.0b16, 2022.2.0a10 (Getting compilation errors in Android Studio: "'UnityPlayer(android.app.Activity, com.unity3d.player.IUnityPlayerLifecycleEvents)' in 'com.unity3d.player.UnityPlayer' cannot be applied to '(android.content.Context, com.unity3d.player.UnityPlayerActivity)'")

Reproducible on these devices:
VLNQA00331 - HUAWEI P20 lite (ANE-LX1), CPU: HiSilicon Kirin 659, GPU: Mali-T830, OS: 9
VLNQA00285 - Samsung Galaxy J4 Core (SM-J410F), CPU: Snapdragon 425 MSM8917, GPU: Adreno 308, OS: 8.1.0
VLNQA00122 - Samsung Galaxy S9 (SM-G960F), CPU: Exynos 9 Series 9810, GPU: Mali-G72, OS: 10.0.0
VLNQA00414 - Galaxy Note10+ 5G (SM-N976V), CPU: Snapdragon 855 SM8150, GPU: Adreno 640, OS: 9
VLNQA00321 - Xiaomi MI 9 (MI 9), CPU: Snapdragon 855 SM8150, GPU: Adreno 640, OS: 10.0.0