update for android Q
diff --git a/src/VirtualDisplay.h b/src/VirtualDisplay.h
index 002d87d..02a85c7 100644
--- a/src/VirtualDisplay.h
+++ b/src/VirtualDisplay.h
@@ -59,7 +59,7 @@
     sp<CpuConsumer> mCpuConsumer;
 
     // Virtual display
-    sp<IBinder> mDpy;
+    sp<IBinder> mDisplayToken;
 
     sp<CpuConsumer::FrameAvailableListener> mListener;