Move Intrinsic annotation to javaClass property from its getter

This is needed because the property, not its getter, is used as a key to the
intrinsics map when codegen decides how to generate a method call. Earlier it
worked because annotations on getters of properties loaded from bytecode were
mistakenly added to annotations on properties themselves

libraries/stdlib/src/kotlin/JLangJVM.kt

@@ -5,8 +5,8 @@ import java.lang.Object
 
 import jet.runtime.Intrinsic
 
-public val <T> T.javaClass : Class<T>
+[Intrinsic("kotlin.javaClass.property")] public val <T> T.javaClass : Class<T>
-    [Intrinsic("kotlin.javaClass.property")] get() = (this as java.lang.Object).getClass() as Class<T>
+    get() = (this as java.lang.Object).getClass() as Class<T>
 
 [Intrinsic("kotlin.javaClass.function")] fun <T> javaClass() : Class<T> = null as Class<T>