Reproduction steps:
1. Open the attached project "ReproProj"
2. Open the Build Settings window (File > Build Settings)
3. Click Extract
4. Select the “androidBuild” folder and click Select
5. Open the NativeAndroidApp folder in Android Studio (/ReproProj/NativeAndroidApp)
6. Click the small Run ‘app’ Button at the top right of the Android Studio window
7. In Player click the Button with the text “SHOW UNITYGAMEACTIVITY“
8. Observe the UI of the Activity

Expected result: Header does not duplicate and UI of Activity does not jump up
Actual result: Header with the text “NativeApp” duplicates for a very short duration when beginning to display the Splash Screen, and UI of the Activity jumps up

Reproducible with: 2023.1.17f1, 2023.2.0b15
Could not test with: 2021.3.31f1, 2022.3.12f1, 2023.3.0a11 (uaal-example-master\NativeAndroidApp\app\src\main\java\com\unity\mynativeapp\MainUnityGameActivity.java:6: error: cannot find symbol
import com.unity3d.player.UnityPlayerGameActivity)

Reproducible on:
VLNQA00325, Samsung Galaxy Note10 (SM-N970F), Android 12, CPU: Exynos 9 (9825), GPU: Mali-G76
VLNQA00318, Oneplus OnePlus 7 Pro (GM1913), Android 11, CPU: Snapdragon 855 SM8150, GPU: Adreno (TM) 640
VLNQA00231, Huawei HUAWEI Mate 20 Pro (LYA-L29), Android 9, CPU: HiSilicon Kirin 980, GPU: Mali-G76 (Only UI of the Activity jumps up)
VLNQA00231, Samsung Galaxy A5(2017) (SM-A520F), Android 8.0.0, CPU: Exynos 7 Octa 7880, GPU: Mali-T830 (Only UI of the Activity jumps up)

Testing environment: Windows 10 Enterprise 21H2
Not reproducible on: No other environment tested

Note:
- Editor project path “/ReproProj/UnityProject“