compile sample viewer with SDK 36 (#328)

Author: PaulAllanSturm

android/app/build.gradle

@@ -24,16 +24,16 @@ if (flutterVersionName == null) {
 
 android {
     namespace "com.esri.arcgis_maps_sdk_flutter_samples"
-    compileSdkVersion flutter.compileSdkVersion
+    compileSdkVersion 36
     ndkVersion "27.0.12077973"
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_11
     }
 
     kotlinOptions {
-        jvmTarget = '1.8'
+        jvmTarget = '11'
     }
 
     sourceSets {