HID Device: add unit test cases

* Add unit test for replyReport(), reportError(), connect(), and
disconnect()
* Add unit test for callback methods to user app: onGetReport(),
onSetReport(), onSetProtocol(), onIntrData(), onVirtualCableUnplug()
* Force unregister the app before each test case
* Move assignment of HidDeviceNativeInterface from the constructor to start()

Bug: 69045106
Test: run instrumentation test
Change-Id: I0dff3f6a7e77d5a56b0beb528d208923f1df8123