Merge "Call syncInputWindows after calling transferTouchFocus" into qt-dev

am: 7efce5e143

Change-Id: I07e540582adf13623d7e0edfadebccab60f7d6de

services/core/java/com/android/server/wm/DragState.java

@@ -176,6 +176,8 @@ class DragState {
         mTransaction.transferTouchFocus(mTransferTouchFromToken, h.token);
         mTransferTouchFromToken = null;
 
+        // syncInputWindows here to ensure the input channel isn't removed before the transfer.
+        mTransaction.syncInputWindows();
         mTransaction.apply();
     }