Fix GitHub Actions Linux mavenLocal test with Android step (#655)

skiko/build.gradle.kts

@@ -778,8 +778,8 @@ fun Project.androidJar(askedVersion: String = ""): Provider<File> =
         val version = if (askedVersion.isEmpty()) {
             val platformsDir = androidHome.resolve("platforms")
             val versions = platformsDir.list().orEmpty()
-            versions.maxByOrNull { name ->
-                name.removePrefix("android-").toInt()
+            versions.maxByOrNull { name -> // possible name: "android-32", "android-33-ext4"
+                name.split("-").getOrNull(1)?.toInt() ?: 0
             } ?: error(
                 buildString {
                     appendLine("'$platformsDir' does not contain any directories matching expected 'android-NUMBER' format: ${versions}")