Support mapping between Kotlin functions and JVM methods/constructors

compiler/testData/codegen/boxAgainstJava/reflection/mapping/javaConstructor.java

@@ -0,0 +1,7 @@
+public class javaConstructor {
+    public final String result;
+
+    public javaConstructor(String result) {
+        this.result = result;
+    }
+}