do migration for build.gradle and settings.gradle

Author: Creeper19472

src/serious_python_android/android/build.gradle

@@ -3,30 +3,6 @@ version '0.9.4'
 
 def python_version = '3.12'
 
-buildscript {
-    repositories {
-        google()
-        mavenCentral()
-        gradlePluginPortal()
-    }
-
-    dependencies {
-        // The Android Gradle Plugin knows how to build native code with the NDK.
-        classpath 'com.android.tools.build:gradle:9.1.0'
-        classpath 'de.undercouch:gradle-download-task:4.1.2'
-    }
-}
-
-rootProject.allprojects {
-    repositories {
-        google()
-        mavenCentral()
-    }
-}
-
-apply plugin: 'com.android.library'
-apply plugin: 'de.undercouch.download'
-
 android {
     namespace "com.flet.serious_python_android"
 

src/serious_python_android/android/settings.gradle

@@ -1 +1,15 @@
-rootProject.name = 'serious_python_android'
+pluginManagement {
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+
+plugins {
+    id "com.android.application" version "9.1.0" apply false
+    id "com.android.library"
+    id "de.undercouch.download" version "5.6.0"
+}
+
+rootProject.name = 'serious_python_android'