chore: Update Android Gradle plugin and SDK versions (#58)

- Upgrade Android Gradle plugin from 8.3.0 to 8.6.0
- Update compileSdkVersion and targetSdkVersion
- Enable core library desugaring and add dependency for desugar_jdk_libs
- Upgrade Gradle wrapper from 8.6 to 8.7

Author: thomson-t

example/android/app/build.gradle

@@ -30,11 +30,12 @@ if (flutterVersionName == null) {
 android {
     namespace "com.mparticle.mparticle_flutter_sdk_example"
 
-    compileSdkVersion 34
+    compileSdkVersion 35
 
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_17
         targetCompatibility JavaVersion.VERSION_17
+        coreLibraryDesugaringEnabled = true
     }
 
     kotlinOptions {
@@ -49,7 +50,7 @@ android {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.mparticle.mparticle_flutter_sdk_example"
         minSdkVersion 21
-        targetSdkVersion 33
+        targetSdkVersion 35
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
     }
@@ -68,6 +69,7 @@ flutter {
 }
 
 dependencies {
+    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:2.1.5'
     implementation 'com.mparticle:android-core:5+'
 
     implementation 'com.mparticle:android-rokt-kit:5+'

example/android/gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-all.zip

example/android/settings.gradle

@@ -19,7 +19,7 @@ pluginManagement {
 
 plugins {
     id "dev.flutter.flutter-plugin-loader" version "1.0.0"
-    id "com.android.application" version "8.3.0" apply false
+    id "com.android.application" version "8.6.0" apply false
     id "org.jetbrains.kotlin.android" version "1.9.23" apply false
 }