Remove a few simple cases of global redisplay
* src/dispnew.c (redraw_frame): Don't redisplay all frames. * src/xdisp.c (echo_area_display): Set the frame's `redisplay' bit rather than returning a "resized_p" boolean. (redisplay_internal): Adjust call accordingly. * src/xfaces.c (free_realized_faces): Don't redisplay all frames. (free_all_realized_faces): Set windows_or_buffers_changed so as to ease tracking of this undesirable situation.
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