Fix "\n\n" string in gui_print(), remove unused gui_print_overwrite()

Change-Id: Ib23354a706013c8cee6665c720fa3b890f3fb3de
Signed-off-by: Vojtech Bocek <vbocek@gmail.com>
Merge remote-tracking branch 'omni/android-4.4' into android-4.4