fix: add missing build.gradle changes

tool/generator/static/build.gradle

@@ -1,3 +1,9 @@
+plugins {
+    id "com.android.application"
+    id "kotlin-android"
+    id "dev.flutter.flutter-gradle-plugin"
+}
+
 def localProperties = new Properties()
 def localPropertiesFile = rootProject.file('local.properties')
 if (localPropertiesFile.exists()) {
@@ -6,11 +12,6 @@ if (localPropertiesFile.exists()) {
     }
 }
 
-def flutterRoot = localProperties.getProperty('flutter.sdk')
-if (flutterRoot == null) {
-    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
-}
-
 def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
 if (flutterVersionCode == null) {
     flutterVersionCode = '1'
@@ -27,12 +28,17 @@ if (keystorePropertiesFile.exists()) {
     keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
 }
 
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
-
 android {
-    compileSdkVersion 33
+    compileSdkVersion 34
+
+    compileOptions {
+      sourceCompatibility JavaVersion.VERSION_17
+      targetCompatibility JavaVersion.VERSION_17
+    }
+
+    kotlinOptions {
+        jvmTarget = '17'
+    }
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
@@ -45,7 +51,7 @@ android {
 
     defaultConfig {
         applicationId "{{reverse_domain}}"
-        minSdkVersion 23
+        minSdkVersion 24
         targetSdkVersion 31
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
@@ -94,7 +100,6 @@ flutter {
 }
 
 dependencies {
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation 'com.google.guava:guava:27.0.1-android'
     implementation 'com.google.firebase:firebase-analytics:17.4.4'
     implementation 'com.google.firebase:firebase-crashlytics:17.1.1'