Generate annotations from descriptors, not PSI

compiler/testData/compileKotlinAgainstKotlin/AnnotationInTrait.A.kt

@@ -0,0 +1,11 @@
+package a
+
+import java.lang.annotation.*
+
+Retention(RetentionPolicy.RUNTIME)
+annotation class Ann
+
+trait Tr {
+    Ann
+    fun foo() {}
+}

compiler/testData/compileKotlinAgainstKotlin/AnnotationInTrait.B.kt

@@ -0,0 +1,9 @@
+class C : a.Tr
+
+fun main(args: Array<String>) {
+    val method = javaClass<C>().getDeclaredMethod("foo")
+    val annotations = method.getDeclaredAnnotations().joinToString("\n")
+    if (annotations != "@a.Ann()") {
+        throw AssertionError(annotations)
+    }
+}