make libnativewindow part of the NDK

Test: compiled
Bug: treble
Change-Id: I289ec1155a4dc5fe56ff3fd00eda54e851023569
diff --git a/libs/nativewindow/libnativewindow.map.txt b/libs/nativewindow/libnativewindow.map.txt
new file mode 100644
index 0000000..dcfabac
--- /dev/null
+++ b/libs/nativewindow/libnativewindow.map.txt
@@ -0,0 +1,26 @@
+LIBNATIVEWINDOW {
+  global:
+    AHardwareBuffer_acquire;
+    AHardwareBuffer_allocate;
+    AHardwareBuffer_describe;
+    AHardwareBuffer_fromHardwareBuffer;
+    AHardwareBuffer_getNativeHandle;
+    AHardwareBuffer_lock;
+    AHardwareBuffer_recvHandleFromUnixSocket;
+    AHardwareBuffer_release;
+    AHardwareBuffer_sendHandleToUnixSocket;
+    AHardwareBuffer_toHardwareBuffer;
+    AHardwareBuffer_unlock;
+    ANativeWindow_acquire;
+    ANativeWindow_fromSurface;
+    ANativeWindow_fromSurfaceTexture;
+    ANativeWindow_getFormat;
+    ANativeWindow_getHeight;
+    ANativeWindow_getWidth;
+    ANativeWindow_lock;
+    ANativeWindow_release;
+    ANativeWindow_setBuffersGeometry;
+    ANativeWindow_unlockAndPost;
+  local:
+    *;
+};