开发日志：
- Merge pull request #2899 from wwylele/touch-refactor
Refactor touch input into a TouchDevice - EmuWindow: refactor touch input into a TouchDevice
- HID: use TouchDevice for touch pad
- Merge pull request #2905 from danzel/fix-2902
Use recursive_mutex instead of mutex to fix #2902 - Use recursive_mutex instead of mutex to fix #2902