[2/3] vncflinger: move to system_ext

Change-Id: Ifb1b3a393e220240cba9d5e0a0bba6ba3deda254
diff --git a/unix/vncpasswd/Android.mk b/unix/vncpasswd/Android.mk
index 7bcb7ef..6052ab2 100644
--- a/unix/vncpasswd/Android.mk
+++ b/unix/vncpasswd/Android.mk
@@ -31,5 +31,6 @@
 
 LOCAL_MODULE := vncpasswd
 LOCAL_MODULE_TAGS := optional
+LOCAL_SYSTEM_EXT_MODULE := true
 
 include $(BUILD_EXECUTABLE)