[K/N] Implement instantiating of annotation class

compiler/testData/codegen/box/annotations/instances/annotationFromStdlib.kt

@@ -0,0 +1,17 @@
+// IGNORE_BACKEND_FIR: JVM_IR
+// IGNORE_BACKEND: JVM
+// IGNORE_BACKEND: WASM
+// DONT_TARGET_EXACT_BACKEND: JS
+
+// WITH_RUNTIME
+// !LANGUAGE: +InstantiationOfAnnotationClasses
+
+import kotlin.reflect.KClass
+
+fun box(): String {
+    val ann1 = kotlin.SinceKotlin("1.6.0")
+    val expectedToString = "@kotlin.SinceKotlin(version=1.6.0)"
+    val actualToString = ann1.toString()
+    if (actualToString != expectedToString) return "Expected ann1.toString() equals to $expectedToString, but it's $actualToString"
+    return "OK"
+}