bacterium/android/build/res/values/themes.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>

	<style name="GodotAppMainTheme" parent="@android:style/Theme.Black.NoTitleBar.Fullscreen"/>

	<style name="GodotAppSplashTheme" parent="@style/GodotAppMainTheme">
		<item name="android:windowBackground">@drawable/splash_drawable</item>
		<item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
	</style>
</resources>