Move JVM specific proto comparison tests to separate dir

Original commit: 5dd4e4cdd4

jps/jps-plugin/testData/comparison/jvmOnly/packageFacadeMultifileClassChanged/new1.kt

@@ -0,0 +1,15 @@
+@file:JvmName("Utils")
+@file:JvmMultifileClass
+package test
+
+public fun unchangedFun1() {}
+
+public fun publicAddedFun1() {}
+
+private fun addedFun1(): Int = 10
+
+private val addedVal1: String = "A"
+
+private val changedVal1: String = ""
+
+private fun changedFun1(arg: String) {}