Move built-ins from package "jet" to "kotlin"

#KT-2896 Fixed

core/builtins/native/kotlin/Any.kt

@@ -0,0 +1,9 @@
+package kotlin
+
+public open class Any {
+    public open fun equals(other: Any?): Boolean
+
+    public open fun hashCode(): Int
+
+    public open fun toString(): String
+}