Support annotations on type aliases declarations

compiler/testData/loadJava/compiledKotlin/typealias/Annotations.kt

@@ -0,0 +1,9 @@
+//ALLOW_AST_ACCESS
+package test
+
+annotation class Ann(val value: String = "")
+
+@Ann()
+typealias A1 = String
+@Ann("OK")
+typealias A2 = String

compiler/testData/loadJava/compiledKotlin/typealias/Annotations.txt

@@ -0,0 +1,10 @@
+package test
+
+@test.Ann() public typealias A1 = kotlin.String
+@test.Ann(value = "OK") public typealias A2 = kotlin.String
+
+public final annotation class Ann : kotlin.Annotation {
+    /*primary*/ public constructor Ann(/*0*/ value: kotlin.String = ...)
+    public final val value: kotlin.String
+        public final fun <get-value>(): kotlin.String
+}