Recovery: Add support for mako, fix parameters

1.
TARGET_SCREEN_WIDTH := "720" 的调用改成
TARGET_SCREEN_WIDTH := 720

2.
增加自定义手指离开屏幕的value变量lv

3.
增加Mako(Nexus 4)的支持

Change-Id: I49459ac8bf1efd1e4261ec4b46a45a5906bceb4a