Generate bytecode for delegated properties

compiler/testData/codegen/box/delegatedProperty/delegateForExtPropertyInClass.kt

@@ -0,0 +1,18 @@
+class Delegate {
+    fun get(t: F.A, p: String): Int = 1
+}
+
+class F {
+    val A.prop: Int by Delegate()
+
+    class A {
+    }
+    
+    fun foo(): Int {
+       return A().prop 
+    }
+}
+
+fun box(): String {
+    return if(F().foo() == 1) "OK" else "fail"
+}