Support increment and '*=' operations on inline properties

compiler/testData/codegen/boxInline/property/augAssignmentAndInc.kt

@@ -0,0 +1,28 @@
+// FILE: 1.kt
+package test
+
+var result = 1
+
+inline var z: Int
+    get() = result
+    set(value)  {
+        result = value
+    }
+
+// FILE: 2.kt
+import test.*
+
+fun box(): String {
+    z += 1
+    if (z != 2) return "fail 1: $z"
+
+    var p = z++
+    if (result != 3) return "fail 2: $result"
+    if (p != 2) return "fail 3: $p"
+
+    p = ++z
+    if (result != 4) return "fail 4: $result"
+    if (p != 4) return "fail 5: $p"
+
+    return "OK"
+}