fix of including

defaultAndroidSettings.gradle

@@ -35,6 +35,11 @@ android {
     }
 
     sourceSets {
-        main.java.srcDirs += 'src/main/kotlin'
+        String sep = File.separator
+        main.java.srcDirs += "src${sep}main${sep}kotlin"
+        File jvmKotlinFolder = new File("${project.projectDir}${sep}src${sep}jvmMain${sep}kotlin")
+        if (jvmKotlinFolder.exists()) {
+            main.java.srcDirs += jvmKotlinFolder.path
+        }
     }
 }