Analysis API: add tests to check annotations on declarations

analysis/analysis-api/testData/annotations/annotationsOnDeclaration/useSite/onSetter.kt

@@ -0,0 +1,7 @@
+annotation class A(val a: Int, val c: KClass<*>)
+
+@set:A(1, Int::class)
+var foo : Int
+    se<caret>t(value) {
+        field = value
+    }