在Android手机的研发过程中，某些客户可能会有一些怪异的需求，这里提供的是将内置应用存放在system data区域，但是却可以让客户手动删除的功能。-In the the Android phone R & D process, some customers may have some weird demand, here is the built-in applications are stored in the system data area, but allows customer