Supported star projection in alternative signatures.

compiler/testData/loadJava/kotlinSignature/StarProjection.java

@@ -0,0 +1,13 @@
+package test;
+
+import jet.runtime.typeinfo.KotlinSignature;
+
+public final class StarProjection {
+    @KotlinSignature("fun foo(): MyClass<*>")
+    public final MyClass<?> foo() {
+        throw new UnsupportedOperationException();
+    }
+
+    public interface MyClass<T extends CharSequence> {
+    }
+}