Bug - Software and Hardware keyboard in wrong state

Root cause :
Input device have to report INPUT_DEVICE_CLASS_ALPHAKEY  So that WMS will check it when computeScreenConfigurationLocked


Notes :
Input Devices update its flag here.

    EventHub::openDeviceLocked (EventHug.cpp)

Call Stack for WMS and IMS

computeScreenConfigurationLocked (WindowManagerService.java)

handleMessage                     (WindowManagerService.java)

notifyHardKeyboardStatusChange    (WindowManagerService.java)        onHardKeyboardStatusChange

onHardKeyboardStatusChange        (InputMethodManagerService.java) MSG_HARD_KEYBOARD_SWITCH_CHANGED

handleMessage                     (InputMethodManagerService.java)

handleHardKeyboardStatusChange   (InputMethodManagerService.java)