Move JVM specific IC test data to separate dir

jps-plugin/testData/incremental/withJava/other/packageMultifileClassPrivateOnlyChanged/pkg2.kt

@@ -0,0 +1,11 @@
+@file:JvmName("Utils")
+@file:JvmMultifileClass
+package test
+
+fun commonFun2() {}
+
+private val deletedVal2: Int = 20
+
+private fun deletedFun2(): Int = 10
+
+private fun changedFun2(arg: Int) {}