Support KClass.qualifiedName in stdlib-only reflection implementation

#KT-34586 Fixed

compiler/testData/codegen/box/reflection/noReflectAtRuntime/javaClass.kt

@@ -18,7 +18,6 @@ fun box(): String {
     assertEquals("Klass", kClass.simpleName)
     assertEquals(kjClass, jjClass)
 
-    try { kClass.qualifiedName; return "Fail qualifiedName" } catch (e: Error) {}
     try { kClass.members; return "Fail members" } catch (e: Error) {}
 
     val jlError = Error::class.java

compiler/testData/codegen/box/reflection/noReflectAtRuntime/javaVoid.kt

@@ -14,6 +14,7 @@ fun box(): String {
     assertEquals(Void::class.java, Void.TYPE.kotlin.javaObjectType)
 
     assertEquals("Void", Void::class.simpleName)
+    assertEquals("java.lang.Void", Void::class.qualifiedName)
 
     return "OK"
 }