Update sample to Kotlin 1.1.4-3

Author: mannodermaus

sample/build.gradle

@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlinVersion = "1.1.4-2"
+    ext.kotlinVersion = "1.1.4-3"
 
     repositories {
         maven { url "https://oss.sonatype.org/content/repositories/snapshots/" }