backend/tests: Add blackbox tests from Kotlin JVM

Added tests from testData/codegen/box directory. There are blackbox tests
in other directories and they are to be added.

backend.native/tests/external/codegen/blackbox/reflection/annotations/simpleValAnnotation.kt

@@ -0,0 +1,14 @@
+// TODO: muted automatically, investigate should it be ran for JS or not
+// IGNORE_BACKEND: JS
+
+// WITH_REFLECT
+
+@Retention(AnnotationRetention.RUNTIME)
+annotation class Simple(val value: String)
+
+@property:Simple("OK")
+val foo: Int = 0
+
+fun box(): String {
+    return (::foo.annotations.single() as Simple).value
+}