Support 'accessible' for reflected properties on JVM

Calls Java reflection's isAccessible/setAccessible

compiler/testData/codegen/boxWithStdlib/callableReference/property/privateClassVal.kt

@@ -1,3 +1,5 @@
+import kotlin.reflect.jvm.accessible
+
 class Result {
     private val value = "OK"
 
@@ -11,5 +13,15 @@ fun box(): String {
         return "Fail: private property is accessible by default"
     } catch(e: IllegalAccessException) { }
 
-    return "OK"
+    p.accessible = true
+
+    val r = p.get(Result())
+
+    p.accessible = false
+    try {
+        p.get(Result())
+        return "Fail: setAccessible(false) had no effect"
+    } catch(e: IllegalAccessException) { }
+
+    return r
 }