Revert "Update android.gradle to v9 (major) (#3105)"

This reverts commit 34afdabcfe.

gradle/build-logic/src/main/kotlin/PluginAndroidBase.kt

@@ -1,50 +1,21 @@
-import com.android.build.api.dsl.ApplicationDefaultConfig
-import com.android.build.api.dsl.CommonExtension
-import com.android.build.api.dsl.CompileOptions
-import com.android.build.api.dsl.DefaultConfig
+import mihon.gradle.configurations.configureAndroid
 import mihon.gradle.configurations.configureKotlin
-import mihon.gradle.extensions.android
+import mihon.gradle.extensions.alias
 import mihon.gradle.extensions.configureTest
-import mihon.gradle.extensions.coreLibraryDesugaring
 import mihon.gradle.extensions.libs
-import mihon.gradle.extensions.mihonx
+import mihon.gradle.extensions.plugins
 import org.gradle.api.Plugin
 import org.gradle.api.Project
-import org.gradle.kotlin.dsl.dependencies
 
 @Suppress("UNUSED")
 class PluginAndroidBase : Plugin<Project> {
     override fun apply(target: Project): Unit = with(target) {
+        plugins {
+            alias(libs.plugins.kotlin.android)
+        }
+
         configureKotlin()
         configureTest()
-
-        android {
-            defaultConfig {
-                minSdk = mihonx.versions.android.sdk.min.get().toInt()
-                if (this is ApplicationDefaultConfig) {
-                    targetSdk = mihonx.versions.android.sdk.target.get().toInt()
-                }
-
-                ndkVersion = mihonx.versions.android.ndk.get()
-            }
-
-            compileSdk = mihonx.versions.android.sdk.compile.get().toInt()
-
-            compileOptions {
-                isCoreLibraryDesugaringEnabled = true
-            }
-        }
-
-        dependencies {
-            coreLibraryDesugaring(libs.android.desugar)
-        }
+        configureAndroid()
     }
 }
-
-private fun CommonExtension.defaultConfig(block: DefaultConfig.() -> Unit) {
-    defaultConfig.apply(block)
-}
-
-private fun CommonExtension.compileOptions(block: CompileOptions.() -> Unit) {
-    compileOptions.apply(block)
-}