Introduce official public NativeWindow type.

Not yet hooked up to anything in the NDK, but requires renaming
the existing android_native_window_t type everywhere.

Change-Id: Iffee6ea39c93b8b34e20fb69e4d2c7c837e5ea2e
diff --git a/native/include/android/native_window.h b/native/include/android/native_window.h
new file mode 100644
index 0000000..e6d5fea
--- /dev/null
+++ b/native/include/android/native_window.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+#ifndef ANDROID_NATIVE_WINDOW_H
+#define ANDROID_NATIVE_WINDOW_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct ANativeWindow;
+typedef struct ANativeWindow ANativeWindow;
+
+
+#ifdef __cplusplus
+};
+#endif
+
+#endif // ANDROID_NATIVE_WINDOW_H