Android: update gradle, plugins, etc.

android/app/build.gradle

@@ -48,10 +48,6 @@ android {
 		}
 	}
 
-	compileOptions {
-		sourceCompatibility JavaVersion.VERSION_1_8
-		targetCompatibility JavaVersion.VERSION_1_8
-	}
 	namespace 'net.minetest.minetest'
 }
 
@@ -133,5 +129,5 @@ clean {
 
 dependencies {
 	implementation project(':native')
-	implementation 'androidx.appcompat:appcompat:1.6.1'
+	implementation 'androidx.appcompat:appcompat:1.7.1'
 }

android/build.gradle

@@ -9,13 +9,13 @@ project.ext.set("versionBuild", 0)      // Version Build
 // ^ fourth version number to allow releasing Android-only fixes and beta versions
 
 buildscript {
-	ext.ndk_version = '29.0.14206865'
+	ext.ndk_version = '30.0.16248370'
 	repositories {
 		google()
 		mavenCentral()
 	}
 	dependencies {
-		classpath 'com.android.tools.build:gradle:8.13.2'
+		classpath 'com.android.tools.build:gradle:9.2.1'
 		classpath 'de.undercouch:gradle-download-task:5.7.0'
 		// NOTE: Do not place your application dependencies here; they belong
 		// in the individual module build.gradle files

android/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.5-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.4.1-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

android/gradlew

@@ -1,7 +1,7 @@
 #!/bin/sh
 
 #
-# Copyright © 2015-2021 the original authors.
+# Copyright © 2015 the original authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -57,7 +57,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/2d6327017519d23b96af35865dc997fcb544fb40/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -114,7 +114,6 @@ case "$( uname )" in                #(
   NONSTOP* )        nonstop=true ;;
 esac
 
-CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
 
 # Determine the Java command to use to start the JVM.
@@ -172,7 +171,6 @@ fi
 # For Cygwin or MSYS, switch paths to Windows format before running java
 if "$cygwin" || "$msys" ; then
     APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
-    CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
 
     JAVACMD=$( cygpath --unix "$JAVACMD" )
 
@@ -212,8 +210,7 @@ DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
 
 set -- \
         "-Dorg.gradle.appname=$APP_BASE_NAME" \
-        -classpath "$CLASSPATH" \
-        org.gradle.wrapper.GradleWrapperMain \
+        -jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \
         "$@"
 
 # Stop when "xargs" is not available.

android/native/build.gradle

@@ -6,7 +6,6 @@ android {
 	defaultConfig {
 		minSdkVersion 21
 		compileSdk = 34
-		targetSdkVersion 34
 		externalNativeBuild {
 			cmake {
 				arguments "-DANDROID_STL=c++_shared",
@@ -16,6 +15,9 @@ android {
 			}
 		}
 	}
+	lint {
+		targetSdk 34
+	}
 
 	externalNativeBuild {
 		cmake {