[K2/N] Add klib contents serialization tests from old testinfra

Merge-request: KT-MR-8509
Merged-by: Vladimir Sukharev <Vladimir.Sukharev@jetbrains.com>

native/native.tests/testData/klibContents/builtinsSerializer/sourceRetainedAnnotation.txt

@@ -0,0 +1,7 @@
+    @Retention(value = AnnotationRetention.SOURCE) @Target(allowedTargets = {AnnotationTarget.CLASS, AnnotationTarget.CONSTRUCTOR, AnnotationTarget.FUNCTION, AnnotationTarget.PROPERTY, AnnotationTarget.VALUE_PARAMETER, AnnotationTarget.TYPE, AnnotationTarget.TYPE_PARAMETER}) annotation class A constructor() : Annotation
+    enum class Enum private constructor() : Enum<Enum> {
+        enum entry ENTRY
+    }
+    class Klass constructor()
+    fun <T> function(param: Unit)
+    val property: Unit