AAPT2: Fix references to private parent

Change-Id: Id4697551b6c8cb6167f562de593006ae3c6158c0
diff --git a/tools/aapt2/ResourceUtils_test.cpp b/tools/aapt2/ResourceUtils_test.cpp
index 4bbfc32..88efa67 100644
--- a/tools/aapt2/ResourceUtils_test.cpp
+++ b/tools/aapt2/ResourceUtils_test.cpp
@@ -157,6 +157,11 @@
     ref = ResourceUtils::parseStyleParentReference(u"foo", &errStr);
     AAPT_ASSERT_TRUE(ref);
     EXPECT_EQ(ref.value().name.value(), kStyleFooName);
+
+    ref = ResourceUtils::parseStyleParentReference(u"*android:style/foo", &errStr);
+    AAPT_ASSERT_TRUE(ref);
+    EXPECT_EQ(ref.value().name.value(), kAndroidStyleFooName);
+    EXPECT_TRUE(ref.value().privateReference);
 }
 
 } // namespace aapt