Private visibility for non-const, non-jvmField class companion property backing field

jps-plugin/testData/incremental/withJava/kotlinUsedInJava/jvmFieldUnchanged/Usage.java

@@ -0,0 +1,7 @@
+import test.*;
+
+class Usage {
+    public static void main(String[] args) {
+        System.out.println(Klass.CONST + Klass.CONST);
+    }
+}

jps-plugin/testData/incremental/withJava/kotlinUsedInJava/jvmFieldUnchanged/build.log

@@ -0,0 +1,7 @@
+Cleaning output files:
+out/production/module/test/Klass$Companion.class
+out/production/module/test/Klass.class
+End of files
+Compiling files:
+src/const.kt
+End of files

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

@@ -0,0 +1,8 @@
+package test
+
+class Klass {
+    companion object {
+        @JvmField
+        val CONST = "bar"
+    }
+}