merge from open-source master

Change-Id: Ib9ec3f3b7418d064b643577156d7d16688b3048d

services/java/com/android/server/WindowManagerService.java

@@ -667,6 +667,7 @@ public class WindowManagerService extends IWindowManager.Stub
         }
 
         mInputThread.start();
+        mQueue.start();
 
         // Add ourself to the Watchdog monitors.
         Watchdog.getInstance().addMonitor(this);