Supported star projection in alternative signatures.

compiler/testData/loadJava/kotlinSignature/StarProjection.txt

@@ -0,0 +1,8 @@
+namespace test
+
+public final class test.StarProjection : java.lang.Object {
+    public final /*constructor*/ fun <init>(): test.StarProjection
+    public final fun foo(): test.StarProjection.MyClass<out jet.CharSequence?>
+    public abstract trait test.StarProjection.MyClass</*0*/ T : jet.CharSequence?> : java.lang.Object {
+    }
+}