Iniital implementation of synthetic extensions for SAM-adapter functions (non-static only)

compiler/testData/diagnostics/tests/syntheticExtensions/javaProperties/SetterOnly.kt

@@ -0,0 +1,9 @@
+// FILE: KotlinFile.kt
+fun foo(javaClass: JavaClass) {
+    javaClass.<!UNRESOLVED_REFERENCE!>something<!> = 1
+}
+
+// FILE: JavaClass.java
+public class JavaClass {
+    public void setSomething(int value) { }
+}