fix: downgrade Gradle 8.7, AGP 8.4.0, Kotlin 2.0.0 for Flutter 3.27.1 compatibility

android/gradle/wrapper/gradle-wrapper.properties

@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.1.0-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-all.zip

android/settings.gradle.kts

@@ -19,8 +19,8 @@ pluginManagement {
 
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
-    id("com.android.application") version "9.0.0" apply false
-    id("org.jetbrains.kotlin.android") version "2.2.20" apply false
+    id("com.android.application") version "8.4.0" apply false
+    id("org.jetbrains.kotlin.android") version "2.0.0" apply false
 }
 
 include(":app")