With the changes to task accounting, bitbake doesn't show progress
when executing setscene tasks on the summary console output.
Change to show a progress within the setscene tasks and a progress
within the main tasks. I can't see any way to display this more easily
without confusing users.
[YOCTO #14586]
(Bitbake rev: 0244acb968eb593d2ad7bc6e52f222c2b1d39aa9)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>