Generate field for const-val with same visibility as desciptor

Also add test checking that constant static final fields generated for them

compiler/testData/compileJavaAgainstKotlin/property/ConstVal.java

@@ -0,0 +1,6 @@
+package test;
+
+@Ann(ABC.TOP_LEVEL + A.OBJECT + B.COMPANION)
+class Java {
+
+}