update android sdl2 to 2.30.8

desktop_version/VVVVVV-android/README.md

@@ -10,18 +10,18 @@ How to Build
 ------------
 
 The recommended way is to install Android Studio and Maven. These instructions are for
-SDL 2.28.5; adapt your SDL version accordingly.
+SDL 2.30.8; adapt your SDL version accordingly.
 
 1. Place a copy of `data.zip` in `desktop_version/VVVVVV-android/app/src/main/assets/`.
    (If the `assets/` folder doesn't exist, then create it.)
-2. Obtain the SDL 2.28.5 Maven package. As of writing, SDL currently does not publish
+2. Obtain the SDL 2.30.8 Maven package. As of writing, SDL currently does not publish
    Maven packages, so here is one way to obtain them (other methods are possible):
 
-   1. Download the SDL 2.28.5 source code.
+   1. Download the SDL 2.30.8 source code.
    2. Run the `build-scripts/android-prefab.sh` script in the SDL repository.
    3. After building, run `mvn install:install-file
-      -Dfile=build-android-prefab/prefab-2.28.5/SDL2-2.28.5.aar
-      -DpomFile=build-android-prefab/prefab-2.28.5/SDL2-2.28.5.pom` to install it to
+      -Dfile=build-android-prefab/prefab-2.30.8/SDL2-2.30.8.aar
+      -DpomFile=build-android-prefab/prefab-2.30.8/SDL2-2.30.8.pom` to install it to
       Maven Local.
 
 3. Open the `desktop_version/VVVVVV-android/` folder in Android Studio.

desktop_version/VVVVVV-android/app/build.gradle

@@ -110,5 +110,5 @@ dependencies {
     implementation 'org.jetbrains:annotations:15.0'
     implementation 'androidx.core:core:1.10.1'
     implementation 'androidx.exifinterface:exifinterface:1.3.6'
-    implementation 'org.libsdl.android:SDL2:2.28.5'
+    implementation 'org.libsdl.android:SDL2:2.30.8'
 }