Tests with constants, incremental compilation between Kotlin and Java.

Original commit: 9234ef3803

jps/jps-plugin/testData/incremental/withJava/kotlinUsedInJava/constantUnchanged/const.kt

@@ -0,0 +1,7 @@
+package test
+
+class Klass {
+    class object {
+        val CONST = "bar"
+    }
+}