Enable support for core library desugaring.

app/build.gradle

@@ -65,6 +65,9 @@ android {
     }
 
     compileOptions {
+        // Flag to enable support for the new language APIs
+        coreLibraryDesugaringEnabled true
+
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
         encoding 'utf-8'
@@ -144,6 +147,8 @@ afterEvaluate {
 }
 
 dependencies {
+    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.0.10'
+
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
 
     implementation "frankiesardo:icepick:${icepickVersion}"