Add UltraLightFacadeClassTest

compiler/testData/asJava/ultraLightFacades/throwsAnnotation.kt

@@ -0,0 +1,9 @@
+
+class MyException : Exception
+
+@Throws(java.io.IOException::class, MyException::class)
+fun readFile(name: String): String {}
+
+// Should be mapped to java.lang.Throwable
+@Throws(kotlin.Throwable::class)
+fun baz() {}