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Register session notifications so Emacs is notified when the
computer is being locked, as required to reset the low level
keyboard hook state.  (Bug#69083).
* src/w32term.h:
* src/w32fns.c (setup_w32_kbdhook, remove_w32_kbdhook)
(w32_wnd_proc, globals_of_w32fns, maybe_pass_notification):
Register and manage session notifications in GUI Emacs.
* src/w32console.c (initialize_w32_display, find_ime_window):
* src/w32xfns.c (drain_message_queue): Register notifications
and reset keyboard hook state in console Emacs.
* src/w32.c (term_ntproc): Un-register session notifications
when terminating.